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decl.c (grokdeclarator): Copy array typedef handling from C frontend.

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* decl.c (grokdeclarator): Copy array typedef handling from C
        frontend.

        * decl.c (grokdeclarator): Copy too-large array handling from C
        frontend.

        * stor-layout.c (layout_type): Don't complain about too-large
        array here.

From-SVN: r45923
This commit is contained in:
Jason Merrill 2001-10-01 09:18:49 -04:00 committed by Jason Merrill
parent 173b24b982
commit 55b3d66505
4 changed files with 28 additions and 22 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-10-01 Jason Merrill <jason_merrill@redhat.com>
* stor-layout.c (layout_type): Don't complain about too-large
array here.
Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* function.c (keep_stack_depressed): Don't use delete_insn.

8
gcc/cp/ChangeLog
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@ -1,3 +1,11 @@
2001-10-01 Jason Merrill <jason_merrill@redhat.com>
* decl.c (grokdeclarator): Copy array typedef handling from C
frontend.
* decl.c (grokdeclarator): Copy too-large array handling from C
frontend.
2001-09-29 Alexandre Oliva <aoliva@redhat.com>
* config-lang.in (target_libs): Added target-gperf, so that we

17
gcc/cp/decl.c
View File

@ -10888,6 +10888,18 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, attrlist)
/* Now TYPE has the actual type. */
/* Did array size calculations overflow? */
if (TREE_CODE (type) == ARRAY_TYPE
&& COMPLETE_TYPE_P (type)
&& TREE_OVERFLOW (TYPE_SIZE (type)))
{
error ("size of array `%s' is too large", name);
/* If we proceed with the array type as it is, we'll eventully
crash in tree_low_cst(). */
type = error_mark_node;
}
if (explicitp == 1 || (explicitp && friendp))
{
/* [dcl.fct.spec] The explicit specifier shall only be used in
@ -11037,8 +11049,9 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, attrlist)
a distinct type, so that each identifier's size can be
controlled separately by its own initializer. */
if (type == typedef_type && TREE_CODE (type) == ARRAY_TYPE
&& TYPE_DOMAIN (type) == NULL_TREE)
if (type != 0 && typedef_type != 0
&& TREE_CODE (type) == ARRAY_TYPE && TYPE_DOMAIN (type) == 0
&& TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (typedef_type))
{
type = build_cplus_array_type (TREE_TYPE (type), TYPE_DOMAIN (type));
}

20
gcc/stor-layout.c
View File

@ -1443,26 +1443,6 @@ layout_type (type)
if (TYPE_SIZE_UNIT (element) != 0 && ! integer_onep (element_size))
TYPE_SIZE_UNIT (type)
= size_binop (MULT_EXPR, TYPE_SIZE_UNIT (element), length);
/* Complain if the user has requested an array too large to
fit in size_t.
??? Disable this test for signed sizetypes. This has the effect
of disabling it for Ada, where it will cause trouble. However,
this test doesn't make sense for C either since there should
be no problem with a type whose size overflows, only an
object whose size overflows. */
if (TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST
&& TREE_OVERFLOW (TYPE_SIZE (type))
&& TREE_UNSIGNED (TREE_TYPE (TYPE_SIZE (type))))
{
error ("requested array too large for target");
/* Avoid crashing later. */
TYPE_SIZE (type) = element_size;
if (TYPE_SIZE_UNIT (type))
TYPE_SIZE_UNIT (type) = TYPE_SIZE_UNIT (element);
}
}
/* Now round the alignment and size,