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re PR c++/50864 (ICE with decltype and "declval" from another namespace)

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/cp
2011-11-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50864
	* parser.c (cp_parser_postfix_dot_deref_expression): Reject invalid
	uses of '->' and '.' as postfix-expression in namespace scope.

/testsuite
2011-11-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50864
	* g++.dg/parse/template26.C: New.
	* g++.dg/template/crash45.C: Adjust dg-error string.

From-SVN: r181151
This commit is contained in:
Paolo Carlini 2011-11-08 10:23:53 +00:00 • committed by Paolo Carlini
parent 295258228b
commit 7fcefa5525
5 changed files with 42 additions and 5 deletions
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6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
2011-11-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50864
* parser.c (cp_parser_postfix_dot_deref_expression): Reject invalid
uses of '->' and '.' as postfix-expression in namespace scope.
2011-11-07 Jason Merrill <jason@redhat.com>
PR c++/50848

15
gcc/cp/parser.c
View file

@ -5969,10 +5969,17 @@ cp_parser_postfix_dot_deref_expression (cp_parser *parser,
{
if (name != error_mark_node && !BASELINK_P (name) && parser->scope)
{
name = build_qualified_name (/*type=*/NULL_TREE,
parser->scope,
name,
template_p);
if (TREE_CODE (parser->scope) == NAMESPACE_DECL)
{
error_at (token->location, "%<%D::%D%> is not a class member",
parser->scope, name);
postfix_expression = error_mark_node;
}
else
name = build_qualified_name (/*type=*/NULL_TREE,
parser->scope,
name,
template_p);
parser->scope = NULL_TREE;
parser->qualifying_scope = NULL_TREE;
parser->object_scope = NULL_TREE;

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2011-11-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50864
* g++.dg/parse/template26.C: New.
* g++.dg/template/crash45.C: Adjust dg-error string.
2011-11-07 Jason Merrill <jason@redhat.com>
PR c++/50848

18
gcc/testsuite/g++.dg/parse/template26.C Normal file
View file

@ -0,0 +1,18 @@
// PR c++/50864
namespace impl
{
template <class T> T create();
}
template <class T, class U, __SIZE_TYPE__
= sizeof(impl::create<T>()->*impl::create<U>())>
struct foo1;
template <class T, class U, __SIZE_TYPE__
= sizeof(impl::create<T>()->impl::create<U>())> // { dg-error "not a class member" }
struct foo2;
template <class T, class U, __SIZE_TYPE__
= sizeof(impl::create<T>().impl::create<U>())> // { dg-error "not a class member" }
struct foo3;

2
gcc/testsuite/g++.dg/template/crash45.C
View file

@ -9,5 +9,5 @@ namespace N
void bar(A *p)
{
p->N::foo<0>; // { dg-error "not a member" }
p->N::foo<0>; // { dg-error "not a class member" }
}