Regressions on trunk at revision 214144 vs revision 214128

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/guality/restrict.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 30 type:cpy == void *(void * restrict, const void * restrict, unsigned int)
FAIL: gcc.dg/guality/restrict.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 30 type:cpy == void *(void * restrict, const void * restrict, unsigned int)

New passes:
FAIL: gcc.dg/guality/pr48437.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 14 i == 0
FAIL: gcc.dg/guality/pr48437.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 14 i == 0
FAIL: gcc.dg/guality/pr48437.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 14 i == 0
FAIL: gcc.dg/guality/pr48437.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 14 i == 0