Regressions on trunk at revision 167900 vs revision 167787

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O0 -flto
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O0 -flto
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O0 -flto -flto-partition=1to1 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O0 -flto -flto-partition=1to1 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O0 -flto -flto-partition=none 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O0 -flto -flto-partition=none 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O2 -flto
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O2 -flto
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O2 -flto -flto-partition=1to1 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O2 -flto -flto-partition=1to1 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O2 -flto -flto-partition=none 
FAIL: gcc.dg/lto/pr46940 c_lto_pr46940_0.o-c_lto_pr46940_1.o execute -O2 -flto -flto-partition=none 

New passes:
FAIL: g++.dg/other/first-global.C scan-assembler _GLOBAL__I(_|_65535_0_)foobar
FAIL: g++.dg/other/first-global.C scan-assembler _GLOBAL__I(_|_65535_0_)foobar