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[Bug c++/58501] New: [4.7/4.8/4.9 regression] [c++0x] Crash with brace-enclosed initializer as default parameter
- From: "reichelt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 22 Sep 2013 18:35:13 +0000
- Subject: [Bug c++/58501] New: [4.7/4.8/4.9 regression] [c++0x] Crash with brace-enclosed initializer as default parameter
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58501
Bug ID: 58501
Summary: [4.7/4.8/4.9 regression] [c++0x] Crash with
brace-enclosed initializer as default parameter
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: reichelt at gcc dot gnu.org
The following valid code snippet (compiled with "-std=gnu++0x") triggers an ICE
since GCC 4.7.0:
========================
struct A
{
~A();
};
int foo(A = {});
int i = foo();
========================
bug.cc: In function 'void __static_initialization_and_destruction_0(int, int)':
bug.cc:8:13: internal compiler error: in create_tmp_var, at gimplify.c:438
int i = foo();
^
0x95b833 create_tmp_var(tree_node*, char const*)
../../gcc/gcc/gimplify.c:438
0x95d10c create_tmp_from_val
../../gcc/gcc/gimplify.c:521
0x95d10c lookup_tmp_var
../../gcc/gcc/gimplify.c:543
0x95d10c internal_get_tmp_var
../../gcc/gcc/gimplify.c:587
0x95dace gimplify_expr(tree_node**, gimple_statement_d**, gimple_statement_d**,
bool (*)(tree_node*), int)
../../gcc/gcc/gimplify.c:8153
0x966eb9 gimplify_call_expr
../../gcc/gcc/gimplify.c:2635
0x95ef88 gimplify_expr(tree_node**, gimple_statement_d**, gimple_statement_d**,
bool (*)(tree_node*), int)
../../gcc/gcc/gimplify.c:7293
0x96a00a gimplify_modify_expr
../../gcc/gcc/gimplify.c:4875
0x95e25b gimplify_expr(tree_node**, gimple_statement_d**, gimple_statement_d**,
bool (*)(tree_node*), int)
../../gcc/gcc/gimplify.c:7322
0x9620d6 gimplify_stmt(tree_node**, gimple_statement_d**)
../../gcc/gcc/gimplify.c:5699
0x95eeaf gimplify_cleanup_point_expr
../../gcc/gcc/gimplify.c:5475
0x95eeaf gimplify_expr(tree_node**, gimple_statement_d**, gimple_statement_d**,
bool (*)(tree_node*), int)
../../gcc/gcc/gimplify.c:7659
0x9620d6 gimplify_stmt(tree_node**, gimple_statement_d**)
../../gcc/gcc/gimplify.c:5699
0x95f30b gimplify_statement_list
../../gcc/gcc/gimplify.c:1525
0x95f30b gimplify_expr(tree_node**, gimple_statement_d**, gimple_statement_d**,
bool (*)(tree_node*), int)
../../gcc/gcc/gimplify.c:7711
0x9620d6 gimplify_stmt(tree_node**, gimple_statement_d**)
../../gcc/gcc/gimplify.c:5699
0x965d65 gimplify_cond_expr
../../gcc/gcc/gimplify.c:3315
0x95e292 gimplify_expr(tree_node**, gimple_statement_d**, gimple_statement_d**,
bool (*)(tree_node*), int)
../../gcc/gcc/gimplify.c:7278
0x9620d6 gimplify_stmt(tree_node**, gimple_statement_d**)
../../gcc/gcc/gimplify.c:5699
0x965d65 gimplify_cond_expr
../../gcc/gcc/gimplify.c:3315
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