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re PR c++/28559 (ICE with friend and __attribute__) 

PR c++/28559
        * parser.c (cp_parser_elaborated_type_specifier): Also ignore
        attributes applied to a TYPENAME_TYPE.

From-SVN: r116137
This commit is contained in:
Jason Merrill 2006-08-14 17:25:03 -04:00
parent 96ff6c8cc0
commit abab460491
3 changed files with 37 additions and 17 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2006-08-11 Jason Merrill <jason@redhat.com>
PR c++/28559
* parser.c (cp_parser_elaborated_type_specifier): Also ignore
attributes applied to a TYPENAME_TYPE.
2006-08-09 Lee Millward <lee.millward@codesourcery.com>
PR c++/28637

5
gcc/cp/parser.c
View File

@ -10268,7 +10268,10 @@ cp_parser_elaborated_type_specifier (cp_parser* parser,
/* Allow attributes on forward declarations of classes. */
if (attributes)
{
if (tag_type != enum_type && CLASSTYPE_TEMPLATE_INSTANTIATION (type)
if (TREE_CODE (type) == TYPENAME_TYPE)
warning (OPT_Wattributes,
"attributes ignored on uninstantiated type");
else if (tag_type != enum_type && CLASSTYPE_TEMPLATE_INSTANTIATION (type)
&& ! processing_explicit_instantiation)
warning (OPT_Wattributes,
"attributes ignored on template instantiation");

11
gcc/testsuite/g++.dg/ext/attrib25.C Normal file
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@ -0,0 +1,11 @@
// PR c++/28559
template<typename T> struct A
{
struct B;
};
struct C
{
template<typename T> friend struct __attribute__((packed)) A<T>::B; // { dg-warning "uninstantiated" }
};