Regressions on lto at revision 149044 vs revision 148738

[H.J. Lu ia32]

New failures:
FAIL: gcc.dg/vect/O3-vect-pr34223.c scan-tree-dump-times vect "vectorized 1 loops" 1
FAIL: gcc.target/i386/local.c scan-assembler magic[^\\n]*eax
ERROR: (DejaGnu) proc "libgomp_target_compile lto20470.c lto20470.exe executable {{additional_flags=-O0 -flto}}" does not exist.

New passes:
FAIL: g++.dg/torture/pr32950.C  -O1  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O1  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O2  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O2 -flto  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O2 -flto  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O2 -fwhopr  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O2 -fwhopr  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O3 -flto  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O3 -flto  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O3 -fwhopr  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O3 -fwhopr  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr32950.C  -Os  (internal compiler error)
FAIL: g++.dg/torture/pr32950.C  -Os  (test for excess errors)
FAIL: gcc.dg/func-ptr-conv-1.c (test for excess errors)
FAIL: gcc.dg/func-ptr-conv-1.c bad conversion (test for warnings, line 40)
FAIL: gcc.dg/func-ptr-conv-1.c bad conversion (test for warnings, line 41)
ERROR: (DejaGnu) proc "libgomp_target_compile lto15984.c lto15984.exe executable {{additional_flags=-O0 -flto}}" does not exist.