https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109408
Bug ID: 109408
Summary: [13 Regression] ICE in decide_about_value, at
ipa-cp.cc:6154
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20230205 and 20230212, at -O3+ :
(testcase derived from pr108605.c)
(gcc configured with --enable-checking=yes)
$ cat z1.c
struct S {
int a, b, c;
int d[__INT_MAX__], e;
};
void
foo (struct S *s)
{
if (s->b && s->c != 0)
__builtin_abort ();
}
void
bar (void)
{
struct S s[2];
s[0].a = 0;
s[0].e = 0;
foo (s);
}
$ gcc-13-20230402 -c z1.c -O3
during IPA pass: cp
z1.c:18:1: internal compiler error: in decide_about_value, at ipa-cp.cc:6154
18 | }
| ^
0x1d5590f decide_about_value<tree_node*>
../../gcc/ipa-cp.cc:6153
0x1d55be9 decide_whether_version_node
../../gcc/ipa-cp.cc:6248
0x1d5926b ipcp_decision_stage
../../gcc/ipa-cp.cc:6430
0x1d5926b ipcp_driver
../../gcc/ipa-cp.cc:6618
