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decl.c (builtin_function): Set TREE_THIS_VOLATILE on return fns.

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* decl.c (builtin_function): Set TREE_THIS_VOLATILE on return fns.
        (finish_function): Don't warn if current_function_returns_null.

From-SVN: r49738
This commit is contained in:
Jason Merrill 2002-02-13 12:36:20 -05:00 committed by Jason Merrill
parent c66b9fd97e
commit 57d5032b06
2 changed files with 8 additions and 1 deletions
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3
gcc/cp/ChangeLog
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@ -1,5 +1,8 @@
2002-02-13 Jason Merrill <jason@redhat.com>
* decl.c (builtin_function): Set TREE_THIS_VOLATILE on return fns.
(finish_function): Don't warn if current_function_returns_null.
* typeck2.c (digest_init): Do handle values of vector type.
* typeck2.c (digest_init, process_init_constructor): Treat vectors

6
gcc/cp/decl.c
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@ -6719,6 +6719,10 @@ builtin_function (name, type, code, class, libname)
DECL_BUILT_IN_CLASS (decl) = class;
DECL_FUNCTION_CODE (decl) = code;
/* The return builtins leave the current function. */
if (code == BUILT_IN_RETURN || code == BUILT_IN_EH_RETURN)
TREE_THIS_VOLATILE (decl) = 1;
my_friendly_assert (DECL_CONTEXT (decl) == NULL_TREE, 392);
/* All builtins that don't begin with an `_' should go in the `std'
@ -14224,7 +14228,7 @@ finish_function (flags)
/* Complain if there's just no return statement. */
if (!processing_template_decl
&& TREE_CODE (TREE_TYPE (fntype)) != VOID_TYPE
&& !current_function_returns_value
&& !current_function_returns_value && !current_function_returns_null
&& !DECL_NAME (DECL_RESULT (fndecl))
/* Don't complain if we abort or throw. */
&& !current_function_returns_abnormally