https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98087
Bug ID: 98087
Summary: [11 Regression] ICE: Floating point exception
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20201115 and 20201122 :
$ cat z1.c
struct S {};
void foo (int n)
{
struct S a[n][0];
__builtin_clear_padding (a);
}
$ gcc-11-20201129 -c z1.c
during GIMPLE pass: lower
z1.c: In function 'foo':
z1.c:2:6: internal compiler error: Floating point exception
2 | void foo (int n)
| ^~~
0xb49eaf crash_signal
../../gcc/toplev.c:330
0x8b9ff1 clear_padding_type
../../gcc/gimple-fold.c:4555
0x8ba973 gimple_fold_builtin_clear_padding
../../gcc/gimple-fold.c:4723
0x8c4c5f gimple_fold_builtin
../../gcc/gimple-fold.c:4897
0x8c6f6b gimple_fold_call
../../gcc/gimple-fold.c:5328
0x8c6f6b fold_stmt_1
../../gcc/gimple-fold.c:6029
0x13bfee9 lower_stmt
../../gcc/gimple-low.c:388
0x13bfee9 lower_sequence
../../gcc/gimple-low.c:217
0x13bffcc lower_stmt
../../gcc/gimple-low.c:286
0x13bffcc lower_sequence
../../gcc/gimple-low.c:217
0x13bfd58 lower_gimple_bind
../../gcc/gimple-low.c:473
0x13c0a91 lower_function_body
../../gcc/gimple-low.c:110
0x13c0a91 execute
../../gcc/gimple-low.c:195
