Regressions on lto at revision 144260 vs revision 144198

[H.J. Lu ia64]

New failures:
FAIL: gcc.dg/matrix/matrix-1.c scan-ipa-dump-times matrix-reorg "Flattened 3 dimensions" 1: dump file does not exist
FAIL: gcc.dg/matrix/matrix-2.c scan-ipa-dump-times matrix-reorg "Flattened 2 dimensions" 1: dump file does not exist
FAIL: gcc.dg/matrix/matrix-5.c scan-ipa-dump-times matrix-reorg "Flattened" 0: dump file does not exist
FAIL: gcc.dg/matrix/matrix-6.c scan-ipa-dump-times matrix-reorg "Flattened 2 dimensions" 1: dump file does not exist
FAIL: gcc.dg/struct/wo_prof_array_field.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_double_malloc.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_escape_str_init.c scan-ipa-dump ipa_struct_reorg "is initialized...Excluded": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_escape_substr_array.c scan-ipa-dump ipa_struct_reorg "is a field in the structure": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_escape_substr_pointer.c scan-ipa-dump ipa_struct_reorg "is a field in the structure": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_escape_substr_value.c scan-ipa-dump ipa_struct_reorg "is a field in the structure": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_global_array.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_global_var.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_local_array.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_local_var.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_malloc_size_var.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_single_str_global.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 1": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_single_str_local.c scan-ipa-dump ipa_struct_reorg "No structures to transform": dump file does not exist
FAIL: gcc.dg/struct/wo_prof_two_strs.c scan-ipa-dump ipa_struct_reorg "Number of structures to transform is 2": dump file does not exist

New passes: