https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80072
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-*-*, i?86-*-* Priority|P3 |P1 Status|UNCONFIRMED |NEW Last reconfirmed| |2017-03-17 Known to work| |6.3.1 Target Milestone|--- |7.0 Summary|ICE in |[7 Regression] ICE in |gimple_build_assign_1 with |gimple_build_assign_1 with |-O3 |-O3 |-march=broadwell/skylake-av |-march=broadwell/skylake-av |x512 |x512 Ever confirmed|0 |1 Known to fail| |7.0.1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. #3 0x00000000013be796 in rewrite_expr_tree ( stmt=<gimple_assign 0x7fffec0963c0>, opindex=8, ops=..., changed=true) at /space/rguenther/src/svn/gcc-7-branch/gcc/tree-ssa-reassoc.c:4243 4243 oe1->op, oe2->op); (gdb) l 4238 gimple *insert_point 4239 = find_insert_point (stmt, oe1->op, oe2->op); 4240 lhs = make_ssa_name (TREE_TYPE (lhs)); 4241 stmt 4242 = gimple_build_assign (lhs, gimple_assign_rhs_code (stmt), 4243 oe1->op, oe2->op); (gdb) p gimple_assign_rhs_code (stmt) $1 = NOP_EXPR