The following invalid code snippets triggers an ICE since GCC 4.3.0:
=================================
void foo()
{
({ i; ({ i; }); 0; });
}
=================================
bug.cc: In function 'void foo()':
bug.cc:3: error: 'i' was not declared in this scope
gimplification failed:
<statement_list 0x402277c4
type <void_type 0x401a94e0 void VOID
align 8 symtab 0 alias set -1 canonical type 0x401a94e0
pointer_to_this <pointer_type 0x401a9548>>
head (nil) tail (nil) stmts
>
bug.cc:3: internal compiler error: gimplification failed
Please submit a full bug report, [etc.]
--
Summary: [4.3/4.4 regression] ICE with undefined variable in
statement expression
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, error-recovery, monitored
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35747
