https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86864
Bug ID: 86864
Summary: [9 Regression] ICE in commit_one_edge_insertion, at
cfgrtl.c:2025 since r261795
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: belyshev at depni dot sinp.msu.ru
CC: marxin at gcc dot gnu.org
Target Milestone: ---
r261795 caused the following ICE, reduced from i386.c:
long a;
void f ();
void g (int b, int c, int d)
{
switch (b)
{
case 42:
case 29:
case 48:
case 40:
case 32:
c = 2;
break;
case 0:
c = 1;
break;
default:
__builtin_unreachable ();
}
if (d || a)
f ();
if (c == 1)
f ();
}
during RTL pass: expand
bug.c: In function 'g':
bug.c:24:1: internal compiler error: in commit_one_edge_insertion, at
cfgrtl.c:2025
