https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71185
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-05-19 Ever confirmed|0 |1 --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Reduced testcase, ICEs with -O3 -march=barcelona: union U { struct S { int l; int m; } p; long long a; } b; int a, c; void foo () { for (; b.p.m; b.a += c) a = b.p.l / 65536.0 * 65536.0; }