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re PR c++/37965 (ICE with invalid auto variable in template)

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PR c++/37965
	* decl.c (cp_finish_decl): Diagnose type_uses_auto type with
	no initializer.

	* g++.dg/cpp0x/auto7.C: New test.

From-SVN: r141501
This commit is contained in:
Jakub Jelinek 2008-10-31 22:30:05 +01:00 • committed by Jakub Jelinek
parent 728a8a74ac
commit 0a3098bba1
4 changed files with 37 additions and 4 deletions
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6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
2008-10-31 Jakub Jelinek <jakub@redhat.com>
PR c++/37965
* decl.c (cp_finish_decl): Diagnose type_uses_auto type with
no initializer.
2008-10-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 11492

17
gcc/cp/decl.c
View file

@ -5488,11 +5488,20 @@ cp_finish_decl (tree decl, tree init, bool init_const_expr_p,
DECL_INITIALIZED_IN_CLASS_P (decl) = 1;
auto_node = type_uses_auto (type);
if (auto_node && !type_dependent_expression_p (init))
if (auto_node)
{
type = TREE_TYPE (decl) = do_auto_deduction (type, init, auto_node);
if (type == error_mark_node)
return;
if (init == NULL_TREE)
{
error ("declaration of %q#D has no initializer", decl);
TREE_TYPE (decl) = error_mark_node;
return;
}
else if (!type_dependent_expression_p (init))
{
type = TREE_TYPE (decl) = do_auto_deduction (type, init, auto_node);
if (type == error_mark_node)
return;
}
}
if (processing_template_decl)

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2008-10-31 Jakub Jelinek <jakub@redhat.com>
PR c++/37965
* g++.dg/cpp0x/auto7.C: New test.
2008-10-31 Mikael Morin <mikael.morin@tele2.fr>
PR fortran/35840

13
gcc/testsuite/g++.dg/cpp0x/auto7.C Normal file
View file

@ -0,0 +1,13 @@
// PR c++/37965
// Negative test for auto
// { dg-options "-std=c++0x" }
auto i = 6;
auto j; // { dg-error "has no initializer" }
template<int> struct A
{
static auto k = 7;
static auto l; // { dg-error "has no initializer" }
auto m; // { dg-error "has no initializer" }
};