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invoke.texi: Document -Wc99-c11-compat.
* doc/invoke.texi: Document -Wc99-c11-compat. c-family/ * c.opt (Wc99-c11-compat): New option. c/ * c-decl.c (diagnose_mismatched_decls): Unconditionally call pedwarn_c99 instead of pedwarn. (grokfield): Likewise. (warn_defaults_to): New function. (grokdeclarator): Call warn_defaults_to instead of pedwarn_c99. Unconditionally call pedwarn_c99 instead of pedwarn. (start_function): Call warn_defaults_to instead of pedwarn_c99. (declspecs_add_scspec): Call pedwarn_c99 instead of pedwarn, don't check flag_isoc11 before. * c-errors.c (pedwarn_c99): Change the return type to bool. Handle -Wc99-c11-compat. * c-parser.c (disable_extension_diagnostics): Handle warn_c99_c11_compat. (restore_extension_diagnostics): Likewise. (c_parser_static_assert_declaration_no_semi): Call pedwarn_c99 instead of pedwarn, don't check flag_isoc11 before. (c_parser_declspecs): Likewise. (c_parser_alignas_specifier): Likewise. (c_parser_alignof_expression): Likewise. (c_parser_generic_selection): Likewise. * c-tree.h (pedwarn_c99): Update declaration. * c-typeck.c (c_finish_return): Call pedwarn or warning_at instead of pedwarn_c99. testsuite/ * gcc.dg/Wc99-c11-compat-1.c: New test. * gcc.dg/Wc99-c11-compat-2.c: New test. * gcc.dg/Wc99-c11-compat-3.c: New test. * gcc.dg/Wc99-c11-compat-4.c: New test. * gcc.dg/Wc99-c11-compat-5.c: New test. * gcc.dg/Wc99-c11-compat-6.c: New test. * gcc.dg/Wc99-c11-compat-7.c: New test. From-SVN: r214133
This commit is contained in:
Marek Polacek
Marek Polacek
parent
fdec323d35
commit
35aff4fb82
@ -1,3 +1,7 @@
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2014-08-19 Marek Polacek <polacek@redhat.com>
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* doc/invoke.texi: Document -Wc99-c11-compat.
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2014-08-19 David Malcolm <dmalcolm@redhat.com>
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* rtl.h (PREV_INSN): Split macro in two: the existing one,
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@ -1,3 +1,7 @@
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2014-08-19 Marek Polacek <polacek@redhat.com>
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* c.opt (Wc99-c11-compat): New option.
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2014-08-19 Marek Polacek <polacek@redhat.com>
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* c-opts.c (sanitize_cpp_opts): Make warn_long_long be set according
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@ -295,6 +295,10 @@ Wc90-c99-compat
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C ObjC Var(warn_c90_c99_compat) Init(-1) Warning
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Warn about features not present in ISO C90, but present in ISO C99
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Wc99-c11-compat
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C ObjC Var(warn_c99_c11_compat) Init(-1) Warning
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Warn about features not present in ISO C99, but present in ISO C11
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Wc++-compat
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C ObjC Var(warn_cxx_compat) Warning
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Warn about C constructs that are not in the common subset of C and C++
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@ -1,3 +1,29 @@
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2014-08-19 Marek Polacek <polacek@redhat.com>
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* c-decl.c (diagnose_mismatched_decls): Unconditionally call
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pedwarn_c99 instead of pedwarn.
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(grokfield): Likewise.
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(warn_defaults_to): New function.
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(grokdeclarator): Call warn_defaults_to instead of pedwarn_c99.
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Unconditionally call pedwarn_c99 instead of pedwarn.
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(start_function): Call warn_defaults_to instead of pedwarn_c99.
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(declspecs_add_scspec): Call pedwarn_c99 instead of pedwarn, don't
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check flag_isoc11 before.
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* c-errors.c (pedwarn_c99): Change the return type to bool.
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Handle -Wc99-c11-compat.
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* c-parser.c (disable_extension_diagnostics): Handle
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warn_c99_c11_compat.
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(restore_extension_diagnostics): Likewise.
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(c_parser_static_assert_declaration_no_semi): Call pedwarn_c99
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instead of pedwarn, don't check flag_isoc11 before.
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(c_parser_declspecs): Likewise.
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(c_parser_alignas_specifier): Likewise.
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(c_parser_alignof_expression): Likewise.
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(c_parser_generic_selection): Likewise.
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* c-tree.h (pedwarn_c99): Update declaration.
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* c-typeck.c (c_finish_return): Call pedwarn or warning_at instead
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of pedwarn_c99.
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2014-08-19 Marek Polacek <polacek@redhat.com>
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* c-decl.c (warn_variable_length_array): Pass OPT_Wvla unconditionally
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@ -538,6 +538,8 @@ static tree grokdeclarator (const struct c_declarator *,
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bool *, enum deprecated_states);
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static tree grokparms (struct c_arg_info *, bool);
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static void layout_array_type (tree);
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static void warn_defaults_to (location_t, int, const char *, ...)
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ATTRIBUTE_GCC_DIAG(3,4);
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/* T is a statement. Add it to the statement-tree. This is the
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C/ObjC version--C++ has a slightly different version of this
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@ -1844,12 +1846,9 @@ diagnose_mismatched_decls (tree newdecl, tree olddecl,
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newdecl);
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locate_old_decl (olddecl);
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}
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else if (pedantic && !flag_isoc11)
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{
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pedwarn (input_location, OPT_Wpedantic,
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"redefinition of typedef %q+D", newdecl);
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locate_old_decl (olddecl);
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}
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else if (pedwarn_c99 (input_location, OPT_Wpedantic,
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"redefinition of typedef %q+D", newdecl))
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locate_old_decl (olddecl);
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return true;
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}
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@ -4941,6 +4940,22 @@ warn_variable_length_array (tree name, tree size)
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}
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}
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/* Print warning about defaulting to int if necessary. */
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static void
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warn_defaults_to (location_t location, int opt, const char *gmsgid, ...)
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{
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diagnostic_info diagnostic;
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va_list ap;
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va_start (ap, gmsgid);
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diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
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flag_isoc99 ? DK_PEDWARN : DK_WARNING);
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diagnostic.option_index = opt;
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report_diagnostic (&diagnostic);
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va_end (ap);
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}
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/* Given declspecs and a declarator,
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determine the name and type of the object declared
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and construct a ..._DECL node for it.
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@ -5117,12 +5132,12 @@ grokdeclarator (const struct c_declarator *declarator,
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else
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{
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if (name)
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pedwarn_c99 (loc, flag_isoc99 ? 0 : OPT_Wimplicit_int,
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"type defaults to %<int%> in declaration of %qE",
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name);
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warn_defaults_to (loc, flag_isoc99 ? 0 : OPT_Wimplicit_int,
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"type defaults to %<int%> in declaration "
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"of %qE", name);
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else
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pedwarn_c99 (input_location, flag_isoc99 ? 0 : OPT_Wimplicit_int,
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"type defaults to %<int%> in type name");
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warn_defaults_to (loc, flag_isoc99 ? 0 : OPT_Wimplicit_int,
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"type defaults to %<int%> in type name");
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}
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}
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@ -6249,15 +6264,12 @@ grokdeclarator (const struct c_declarator *declarator,
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DECL_DECLARED_INLINE_P (decl) = 1;
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if (declspecs->noreturn_p)
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{
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if (!flag_isoc11)
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{
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if (flag_isoc99)
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pedwarn (loc, OPT_Wpedantic,
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if (flag_isoc99)
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C99 does not support %<_Noreturn%>");
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else
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pedwarn (loc, OPT_Wpedantic,
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else
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C90 does not support %<_Noreturn%>");
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}
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TREE_THIS_VOLATILE (decl) = 1;
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}
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}
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@ -6964,15 +6976,12 @@ grokfield (location_t loc,
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pedwarn (loc, 0, "declaration does not declare anything");
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return NULL_TREE;
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}
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if (!flag_isoc11)
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{
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if (flag_isoc99)
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pedwarn (loc, OPT_Wpedantic,
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if (flag_isoc99)
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C99 doesn%'t support unnamed structs/unions");
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else
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pedwarn (loc, OPT_Wpedantic,
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else
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C90 doesn%'t support unnamed structs/unions");
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}
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}
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value = grokdeclarator (declarator, declspecs, FIELD, false,
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@ -7913,9 +7922,10 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
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}
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if (warn_about_return_type)
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pedwarn_c99 (loc, flag_isoc99 ? 0
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: (warn_return_type ? OPT_Wreturn_type : OPT_Wimplicit_int),
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"return type defaults to %<int%>");
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warn_defaults_to (loc, flag_isoc99 ? 0
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: (warn_return_type ? OPT_Wreturn_type
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: OPT_Wimplicit_int),
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"return type defaults to %<int%>");
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/* Make the init_value nonzero so pushdecl knows this is not tentative.
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error_mark_node is replaced below (in pop_scope) with the BLOCK. */
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@ -9893,14 +9903,14 @@ declspecs_add_scspec (source_location loc,
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identifier in the implementation namespace; only diagnose
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it for the C11 spelling because of existing code using
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the other spelling. */
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if (!flag_isoc11 && !specs->thread_gnu_p)
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if (!specs->thread_gnu_p)
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{
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if (flag_isoc99)
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pedwarn (loc, OPT_Wpedantic,
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"ISO C99 does not support %qE", scspec);
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C99 does not support %qE", scspec);
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else
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pedwarn (loc, OPT_Wpedantic,
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"ISO C90 does not support %qE", scspec);
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C90 does not support %qE", scspec);
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}
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specs->locations[cdw_thread] = loc;
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}
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@ -29,20 +29,42 @@ along with GCC; see the file COPYING3. If not see
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#include "diagnostic.h"
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#include "opts.h"
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/* Issue an ISO C99 pedantic warning MSGID. */
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/* Issue an ISO C99 pedantic warning MSGID if -pedantic outside C11 mode,
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otherwise issue warning MSGID if -Wc99-c11-compat is specified.
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This function is supposed to be used for matters that are allowed in
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ISO C11 but not supported in ISO C99, thus we explicitly don't pedwarn
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when C11 is specified. */
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void
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bool
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pedwarn_c99 (location_t location, int opt, const char *gmsgid, ...)
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{
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diagnostic_info diagnostic;
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va_list ap;
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bool warned = false;
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va_start (ap, gmsgid);
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diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
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flag_isoc99 ? DK_PEDWARN : DK_WARNING);
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diagnostic.option_index = opt;
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report_diagnostic (&diagnostic);
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/* If desired, issue the C99/C11 compat warning, which is more specific
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than -pedantic. */
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if (warn_c99_c11_compat > 0)
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{
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diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
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(pedantic && !flag_isoc11)
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? DK_PEDWARN : DK_WARNING);
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diagnostic.option_index = OPT_Wc99_c11_compat;
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warned = report_diagnostic (&diagnostic);
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}
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/* -Wno-c99-c11-compat suppresses even the pedwarns. */
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else if (warn_c99_c11_compat == 0)
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;
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/* For -pedantic outside C11, issue a pedwarn. */
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else if (pedantic && !flag_isoc11)
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{
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diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_PEDWARN);
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diagnostic.option_index = opt;
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warned = report_diagnostic (&diagnostic);
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}
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va_end (ap);
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return warned;
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}
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/* Issue an ISO C90 pedantic warning MSGID if -pedantic outside C99 mode,
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@ -1076,7 +1076,11 @@ disable_extension_diagnostics (void)
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/* warn_c90_c99_compat has three states: -1/0/1, so we must
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play tricks to properly restore it. */
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| ((warn_c90_c99_compat == 1) << 7)
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| ((warn_c90_c99_compat == -1) << 8));
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| ((warn_c90_c99_compat == -1) << 8)
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/* Similarly for warn_c99_c11_compat. */
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| ((warn_c99_c11_compat == 1) << 9)
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| ((warn_c99_c11_compat == -1) << 10)
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);
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cpp_opts->cpp_pedantic = pedantic = 0;
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warn_pointer_arith = 0;
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cpp_opts->cpp_warn_traditional = warn_traditional = 0;
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@ -1085,6 +1089,7 @@ disable_extension_diagnostics (void)
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warn_cxx_compat = 0;
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warn_overlength_strings = 0;
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warn_c90_c99_compat = 0;
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warn_c99_c11_compat = 0;
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return ret;
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}
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@ -1103,6 +1108,7 @@ restore_extension_diagnostics (int flags)
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warn_overlength_strings = (flags >> 6) & 1;
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/* See above for why is this needed. */
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warn_c90_c99_compat = (flags >> 7) & 1 ? 1 : ((flags >> 8) & 1 ? -1 : 0);
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warn_c99_c11_compat = (flags >> 9) & 1 ? 1 : ((flags >> 10) & 1 ? -1 : 0);
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}
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/* Possibly kinds of declarator to parse. */
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@ -2009,15 +2015,12 @@ c_parser_static_assert_declaration_no_semi (c_parser *parser)
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gcc_assert (c_parser_next_token_is_keyword (parser, RID_STATIC_ASSERT));
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assert_loc = c_parser_peek_token (parser)->location;
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if (!flag_isoc11)
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{
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if (flag_isoc99)
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pedwarn (assert_loc, OPT_Wpedantic,
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if (flag_isoc99)
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pedwarn_c99 (assert_loc, OPT_Wpedantic,
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"ISO C99 does not support %<_Static_assert%>");
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else
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pedwarn (assert_loc, OPT_Wpedantic,
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else
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pedwarn_c99 (assert_loc, OPT_Wpedantic,
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"ISO C90 does not support %<_Static_assert%>");
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}
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c_parser_consume_token (parser);
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if (!c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>"))
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return;
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@ -2382,15 +2385,12 @@ c_parser_declspecs (c_parser *parser, struct c_declspecs *specs,
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correct lvalue-to-rvalue conversions. */
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if (flag_openmp)
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sorry ("%<_Atomic%> with OpenMP");
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if (!flag_isoc11)
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{
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if (flag_isoc99)
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pedwarn (loc, OPT_Wpedantic,
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if (flag_isoc99)
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C99 does not support the %<_Atomic%> qualifier");
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else
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pedwarn (loc, OPT_Wpedantic,
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else
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C90 does not support the %<_Atomic%> qualifier");
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}
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attrs_ok = true;
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tree value;
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value = c_parser_peek_token (parser)->value;
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@ -3055,15 +3055,12 @@ c_parser_alignas_specifier (c_parser * parser)
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location_t loc = c_parser_peek_token (parser)->location;
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gcc_assert (c_parser_next_token_is_keyword (parser, RID_ALIGNAS));
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c_parser_consume_token (parser);
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if (!flag_isoc11)
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{
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if (flag_isoc99)
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pedwarn (loc, OPT_Wpedantic,
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if (flag_isoc99)
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C99 does not support %<_Alignas%>");
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else
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pedwarn (loc, OPT_Wpedantic,
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else
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pedwarn_c99 (loc, OPT_Wpedantic,
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"ISO C90 does not support %<_Alignas%>");
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}
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if (!c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>"))
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return ret;
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if (c_parser_next_tokens_start_typename (parser, cla_prefer_id))
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@ -6579,14 +6576,14 @@ c_parser_alignof_expression (c_parser *parser)
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/* A diagnostic is not required for the use of this identifier in
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the implementation namespace; only diagnose it for the C11
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spelling because of existing code using the other spellings. */
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if (!flag_isoc11 && is_c11_alignof)
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if (is_c11_alignof)
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{
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if (flag_isoc99)
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pedwarn (loc, OPT_Wpedantic, "ISO C99 does not support %qE",
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alignof_spelling);
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pedwarn_c99 (loc, OPT_Wpedantic, "ISO C99 does not support %qE",
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alignof_spelling);
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else
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pedwarn (loc, OPT_Wpedantic, "ISO C90 does not support %qE",
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alignof_spelling);
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pedwarn_c99 (loc, OPT_Wpedantic, "ISO C90 does not support %qE",
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alignof_spelling);
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}
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c_parser_consume_token (parser);
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c_inhibit_evaluation_warnings++;
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@ -6745,15 +6742,12 @@ c_parser_generic_selection (c_parser *parser)
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gcc_assert (c_parser_next_token_is_keyword (parser, RID_GENERIC));
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generic_loc = c_parser_peek_token (parser)->location;
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c_parser_consume_token (parser);
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if (!flag_isoc11)
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{
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if (flag_isoc99)
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pedwarn (generic_loc, OPT_Wpedantic,
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if (flag_isoc99)
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pedwarn_c99 (generic_loc, OPT_Wpedantic,
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"ISO C99 does not support %<_Generic%>");
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else
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pedwarn (generic_loc, OPT_Wpedantic,
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else
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pedwarn_c99 (generic_loc, OPT_Wpedantic,
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"ISO C90 does not support %<_Generic%>");
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}
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if (!c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>"))
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return error_expr;
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@ -678,7 +678,7 @@ extern tree c_check_omp_declare_reduction_r (tree *, int *, void *);
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/* In c-errors.c */
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extern void pedwarn_c90 (location_t, int opt, const char *, ...)
|
||||
ATTRIBUTE_GCC_DIAG(3,4);
|
||||
extern void pedwarn_c99 (location_t, int opt, const char *, ...)
|
||||
extern bool pedwarn_c99 (location_t, int opt, const char *, ...)
|
||||
ATTRIBUTE_GCC_DIAG(3,4);
|
||||
|
||||
#endif /* ! GCC_C_TREE_H */
|
||||
|
||||
@ -9220,9 +9220,12 @@ c_finish_return (location_t loc, tree retval, tree origtype)
|
||||
if ((warn_return_type || flag_isoc99)
|
||||
&& valtype != 0 && TREE_CODE (valtype) != VOID_TYPE)
|
||||
{
|
||||
pedwarn_c99 (loc, flag_isoc99 ? 0 : OPT_Wreturn_type,
|
||||
"%<return%> with no value, in "
|
||||
"function returning non-void");
|
||||
if (flag_isoc99)
|
||||
pedwarn (loc, 0, "%<return%> with no value, in "
|
||||
"function returning non-void");
|
||||
else
|
||||
warning_at (loc, OPT_Wreturn_type, "%<return%> with no value, "
|
||||
"in function returning non-void");
|
||||
no_warning = true;
|
||||
}
|
||||
}
|
||||
|
||||
@ -241,7 +241,7 @@ Objective-C and Objective-C++ Dialects}.
|
||||
-w -Wextra -Wall -Waddress -Waggregate-return @gol
|
||||
-Waggressive-loop-optimizations -Warray-bounds @gol
|
||||
-Wno-attributes -Wno-builtin-macro-redefined @gol
|
||||
-Wc90-c99-compat @gol
|
||||
-Wc90-c99-compat -Wc99-c11-compat @gol
|
||||
-Wc++-compat -Wc++11-compat -Wcast-align -Wcast-qual @gol
|
||||
-Wchar-subscripts -Wclobbered -Wcomment -Wconditionally-supported @gol
|
||||
-Wconversion -Wcoverage-mismatch -Wdate-time -Wdelete-incomplete -Wno-cpp @gol
|
||||
@ -4527,6 +4527,16 @@ type, @code{bool} type, compound literals, designated initializers, and so
|
||||
on. This option is independent of the standards mode. Warnings are disabled
|
||||
in the expression that follows @code{__extension__}.
|
||||
|
||||
@item -Wc99-c11-compat @r{(C and Objective-C only)}
|
||||
@opindex Wc99-c11-compat
|
||||
@opindex Wno-c99-c11-compat
|
||||
Warn about features not present in ISO C99, but present in ISO C11.
|
||||
For instance, warn about use of anonymous structures and unions,
|
||||
@code{_Atomic} type qualifier, @code{_Thread_local} storage-class specifier,
|
||||
@code{_Alignas} specifier, @code{Alignof} operator, @code{_Generic} keyword,
|
||||
and so on. This option is independent of the standards mode. Warnings are
|
||||
disabled in the expression that follows @code{__extension__}.
|
||||
|
||||
@item -Wc++-compat @r{(C and Objective-C only)}
|
||||
Warn about ISO C constructs that are outside of the common subset of
|
||||
ISO C and ISO C++, e.g.@: request for implicit conversion from
|
||||
|
||||
@ -1,3 +1,13 @@
|
||||
2014-08-19 Marek Polacek <polacek@redhat.com>
|
||||
|
||||
* gcc.dg/Wc99-c11-compat-1.c: New test.
|
||||
* gcc.dg/Wc99-c11-compat-2.c: New test.
|
||||
* gcc.dg/Wc99-c11-compat-3.c: New test.
|
||||
* gcc.dg/Wc99-c11-compat-4.c: New test.
|
||||
* gcc.dg/Wc99-c11-compat-5.c: New test.
|
||||
* gcc.dg/Wc99-c11-compat-6.c: New test.
|
||||
* gcc.dg/Wc99-c11-compat-7.c: New test.
|
||||
|
||||
2014-08-19 Marek Polacek <polacek@redhat.com>
|
||||
|
||||
* gcc.dg/Wc90-c99-compat-4.c: Remove all dg-warnings.
|
||||
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-1.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-1.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu90 -pedantic -Wc99-c11-compat" } */
|
||||
|
||||
struct S { int i; struct { int a; }; }; /* { dg-warning "ISO C90 doesn.t support unnamed structs/unions" } */
|
||||
_Noreturn void foo (void); /* { dg-warning "ISO C90 does not support ._Noreturn." } */
|
||||
typedef int A;
|
||||
typedef int A; /* { dg-warning "redefinition of typedef .A." } */
|
||||
_Thread_local int i; /* { dg-warning "ISO C90 does not support ._Thread_local." } */
|
||||
_Static_assert (1, "foo"); /* { dg-warning "ISO C90 does not support ._Static_assert." } */
|
||||
_Atomic int a; /* { dg-warning "ISO C90 does not support the ._Atomic. qualifier" } */
|
||||
_Alignas (int) int aa; /* { dg-warning "ISO C90 does not support ._Alignas." } */
|
||||
enum e { E = _Alignof (double) }; /* { dg-warning "ISO C90 does not support ._Alignof." } */
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
_Generic (n, int: 0); /* { dg-warning "ISO C90 does not support ._Generic." } */
|
||||
}
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-2.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-2.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu99 -pedantic -Wc99-c11-compat" } */
|
||||
|
||||
struct S { int i; struct { int a; }; }; /* { dg-warning "ISO C99 doesn.t support unnamed structs/unions" } */
|
||||
_Noreturn void foo (void); /* { dg-warning "ISO C99 does not support ._Noreturn." } */
|
||||
typedef int A;
|
||||
typedef int A; /* { dg-warning "redefinition of typedef .A." } */
|
||||
_Thread_local int i; /* { dg-warning "ISO C99 does not support ._Thread_local." } */
|
||||
_Static_assert (1, "foo"); /* { dg-warning "ISO C99 does not support ._Static_assert." } */
|
||||
_Atomic int a; /* { dg-warning "ISO C99 does not support the ._Atomic. qualifier" } */
|
||||
_Alignas (int) int aa; /* { dg-warning "ISO C99 does not support ._Alignas." } */
|
||||
enum e { E = _Alignof (double) }; /* { dg-warning "ISO C99 does not support ._Alignof." } */
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
_Generic (n, int: 0); /* { dg-warning "ISO C99 does not support ._Generic." } */
|
||||
}
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-3.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-3.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu11 -pedantic-errors -Wc99-c11-compat" } */
|
||||
|
||||
struct S { int i; struct { int a; }; }; /* { dg-warning "ISO C99 doesn.t support unnamed structs/unions" } */
|
||||
_Noreturn void foo (void); /* { dg-warning "ISO C99 does not support ._Noreturn." } */
|
||||
typedef int A;
|
||||
typedef int A; /* { dg-warning "redefinition of typedef .A." } */
|
||||
_Thread_local int i; /* { dg-warning "ISO C99 does not support ._Thread_local." } */
|
||||
_Static_assert (1, "foo"); /* { dg-warning "ISO C99 does not support ._Static_assert." } */
|
||||
_Atomic int a; /* { dg-warning "ISO C99 does not support the ._Atomic. qualifier" } */
|
||||
_Alignas (int) int aa; /* { dg-warning "ISO C99 does not support ._Alignas." } */
|
||||
enum e { E = _Alignof (double) }; /* { dg-warning "ISO C99 does not support ._Alignof." } */
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
_Generic (n, int: 0); /* { dg-warning "ISO C99 does not support ._Generic." } */
|
||||
}
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-4.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-4.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu99 -pedantic-errors -Wno-c99-c11-compat" } */
|
||||
|
||||
struct S { int i; struct { int a; }; };
|
||||
_Noreturn void foo (void);
|
||||
typedef int A;
|
||||
typedef int A;
|
||||
_Thread_local int i;
|
||||
_Static_assert (1, "foo");
|
||||
_Atomic int a;
|
||||
_Alignas (int) int aa;
|
||||
enum e { E = _Alignof (double) };
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
_Generic (n, int: 0);
|
||||
}
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-5.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-5.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu11 -Wc99-c11-compat" } */
|
||||
|
||||
__extension__ struct S { int i; struct { int a; }; };
|
||||
__extension__ _Noreturn void foo (void);
|
||||
typedef int A;
|
||||
__extension__ typedef int A;
|
||||
__extension__ _Thread_local int i;
|
||||
__extension__ _Static_assert (1, "foo");
|
||||
__extension__ _Atomic int a;
|
||||
__extension__ _Alignas (int) int aa;
|
||||
enum e { E = __extension__ _Alignof (double) };
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
__extension__ _Generic (n, int: 0);
|
||||
}
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-6.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-6.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu90 -pedantic-errors -Wc99-c11-compat" } */
|
||||
|
||||
struct S { int i; struct { int a; }; }; /* { dg-error "ISO C90 doesn.t support unnamed structs/unions" } */
|
||||
_Noreturn void foo (void); /* { dg-error "ISO C90 does not support ._Noreturn." } */
|
||||
typedef int A;
|
||||
typedef int A; /* { dg-error "redefinition of typedef .A." } */
|
||||
_Thread_local int i; /* { dg-error "ISO C90 does not support ._Thread_local." } */
|
||||
_Static_assert (1, "foo"); /* { dg-error "ISO C90 does not support ._Static_assert." } */
|
||||
_Atomic int a; /* { dg-error "ISO C90 does not support the ._Atomic. qualifier" } */
|
||||
_Alignas (int) int aa; /* { dg-error "ISO C90 does not support ._Alignas." } */
|
||||
enum e { E = _Alignof (double) }; /* { dg-error "ISO C90 does not support ._Alignof." } */
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
_Generic (n, int: 0); /* { dg-error "ISO C90 does not support ._Generic." } */
|
||||
}
|
||||
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-7.c
Normal file
18
gcc/testsuite/gcc.dg/Wc99-c11-compat-7.c
Normal file
@ -0,0 +1,18 @@
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=gnu99 -pedantic-errors -Wc99-c11-compat" } */
|
||||
|
||||
struct S { int i; struct { int a; }; }; /* { dg-error "ISO C99 doesn.t support unnamed structs/unions" } */
|
||||
_Noreturn void foo (void); /* { dg-error "ISO C99 does not support ._Noreturn." } */
|
||||
typedef int A;
|
||||
typedef int A; /* { dg-error "redefinition of typedef .A." } */
|
||||
_Thread_local int i; /* { dg-error "ISO C99 does not support ._Thread_local." } */
|
||||
_Static_assert (1, "foo"); /* { dg-error "ISO C99 does not support ._Static_assert." } */
|
||||
_Atomic int a; /* { dg-error "ISO C99 does not support the ._Atomic. qualifier" } */
|
||||
_Alignas (int) int aa; /* { dg-error "ISO C99 does not support ._Alignas." } */
|
||||
enum e { E = _Alignof (double) }; /* { dg-error "ISO C99 does not support ._Alignof." } */
|
||||
|
||||
void
|
||||
fn (int n)
|
||||
{
|
||||
_Generic (n, int: 0); /* { dg-error "ISO C99 does not support ._Generic." } */
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user