Regressions on trunk at revision 266766 vs revision 266762

[H.J. Lu (x32)]

New failures:

New passes:
FAIL: gcc.c-torture/execute/pr64242.c   -O0  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O1  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O3 -g  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -Os  execution test