https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88140
Bug ID: 88140
Summary: [9 Regression] ICE: verify_gimple failed since r266325
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Following is causing ICE:
$ cat ice.i
typedef struct {
} a;
typedef struct {
a *b[0];
} c;
void d() { ((c *)0)->b[0] = 0; }
$ gcc ice.i -c -flto
typedef struct {
} a;
typedef struct {
a *b[0];
} c;
void d() { ((c *)0)->b[0] = 0; }
ice.i: In function ‘d’:
ice.i:8:1: error: type mismatch in component reference
8 | void d() { ((c *)0)->b[0] = 0; }
| ^~~~
struct a *[0:]
struct a *[0:]
_1->b[0] = 0B;
during IPA pass: *free_lang_data
ice.i:8:1: internal compiler error: verify_gimple failed
0xd53697 verify_gimple_in_cfg(function*, bool)
/home/marxin/Programming/gcc/gcc/tree-cfg.c:5422
0xc2cbef execute_function_todo
/home/marxin/Programming/gcc/gcc/passes.c:1977
0xc2dac1 do_per_function
/home/marxin/Programming/gcc/gcc/passes.c:1645
0xc2db1e execute_todo
/home/marxin/Programming/gcc/gcc/passes.c:2031
