Regressions on trunk at revision 149455 vs revision 149400

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/Wshadow-3.c  (test for warnings, line 47)
FAIL: gcc.dg/Wshadow-3.c  (test for warnings, line 47)
FAIL: gcc.dg/Wshadow-3.c (test for excess errors)
FAIL: gcc.dg/Wshadow-3.c (test for excess errors)
FAIL: gcc.dg/pr34989-1.c (internal compiler error)
FAIL: gcc.dg/pr34989-1.c (internal compiler error)
FAIL: gcc.dg/pr34989-1.c (test for excess errors)
FAIL: gcc.dg/pr34989-1.c (test for excess errors)
FAIL: gcc.dg/pr36902.c  (test for warnings, line 47)
FAIL: gcc.dg/pr36902.c  (test for warnings, line 47)
FAIL: gcc.dg/pr36902.c (test for excess errors)
FAIL: gcc.dg/pr36902.c (test for excess errors)
FAIL: gcc.dg/struct/wo_prof_double_malloc.c (internal compiler error)
FAIL: gcc.dg/struct/wo_prof_double_malloc.c (internal compiler error)
FAIL: gcc.dg/struct/wo_prof_double_malloc.c (test for excess errors)
FAIL: gcc.dg/struct/wo_prof_double_malloc.c (test for excess errors)
FAIL: gcc.dg/tree-prof/bb-reorg.c compilation,  -fprofile-use -D_PROFILE_USE
FAIL: gcc.dg/tree-prof/pr34999.c compilation,  -fprofile-use -D_PROFILE_USE

New passes: