Regressions on trunk at revision 208338 vs revision 208309

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/lto/20110201-1 c_lto_20110201-1_0.o-c_lto_20110201-1_0.o link,  -O0 -flto 
FAIL: gcc.dg/lto/20110201-1 c_lto_20110201-1_0.o-c_lto_20110201-1_0.o link,  -O0 -flto 
FAIL: gcc.dg/lto/pr55113 c_lto_pr55113_0.o assemble,  -flto -fshort-double -O0  (internal compiler error)

New passes:
FAIL: gcc.target/i386/avx512pf-vscatterpf0dpd-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0dpd-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0dps-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0dps-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0qpd-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0qpd-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0qps-1.c (test for excess errors)
FAIL: gcc.target/i386/avx512pf-vscatterpf0qps-1.c (test for excess errors)