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re PR c++/51586 (ICE with invalid union)

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PR c++/51586
	* parser.c (cp_parser_check_class_key): Handle error_mark_node.

From-SVN: r182442
This commit is contained in:
Jason Merrill 2011-12-17 15:15:39 -05:00 committed by Jason Merrill
parent c0425f32f5
commit 9bd98b5ac3
4 changed files with 14 additions and 0 deletions
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3
gcc/cp/ChangeLog
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@ -1,5 +1,8 @@
2011-12-17 Jason Merrill <jason@redhat.com>
PR c++/51586
* parser.c (cp_parser_check_class_key): Handle error_mark_node.
PR c++/51587
* decl.c (start_enum): Avoid using ENUM_UNDERLYING_TYPE on a
non-enum.

2
gcc/cp/parser.c
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@ -22624,6 +22624,8 @@ cp_parser_token_is_class_key (cp_token* token)
static void
cp_parser_check_class_key (enum tag_types class_key, tree type)
{
if (type == error_mark_node)
return;
if ((TREE_CODE (type) == UNION_TYPE) != (class_key == union_type))
{
permerror (input_location, "%qs tag used in naming %q#T",

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2011-12-17 Jason Merrill <jason@redhat.com>
PR c++/51586
* g++.dg/lookup/nested2.C: New.
PR c++/51587
* g++.dg/parse/enum6.C: New.

6
gcc/testsuite/g++.dg/lookup/nested2.C Normal file
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@ -0,0 +1,6 @@
// PR c++/51586
union U
{
union U { int i; }; // { dg-error "same name" }
};