Regressions on trunk at revision 274490 vs revision 274483

[H.J. Lu (Intel64 Core i7)]

New failures:

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