https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89209
Bug ID: 89209
Summary: [9 Regression] ICE in build_ref_for_model, at
tree-sra.c:1791
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20180722 and 20180805 :
$ cat z1.c
struct S {
short a, b;
};
struct T {
int c;
struct S s;
};
int f ()
{
struct T t;
t.c = t.s.a || t.s.b;
return t.c;
}
$ gcc-9-20180722 -c z1.c -O2
$ gcc-9-20190203 -c z1.c
$
$ gcc-9-20190203 -c z1.c -O2
during GIMPLE pass: esra
z1.c: In function 'f':
z1.c:13:1: internal compiler error: Segmentation fault
13 | }
| ^
0xa8a98f crash_signal
../../gcc/toplev.c:326
0xb3d0b0 build_ref_for_model
../../gcc/tree-sra.c:1791
0xb43209 sra_modify_assign
../../gcc/tree-sra.c:3553
0xb43209 sra_modify_function_body
../../gcc/tree-sra.c:3808
0xb43209 perform_intra_sra
../../gcc/tree-sra.c:3918
