Regressions on trunk at revision 261849 vs revision 261823

[H.J. Lu x32]

New failures:
FAIL: experimental/memory_resource/1.cc (test for excess errors)
FAIL: experimental/memory_resource/70966.cc (test for excess errors)
FAIL: experimental/memory_resource/null_memory_resource.cc (test for excess errors)
FAIL: experimental/memory_resource/resource_adaptor.cc (test for excess errors)
FAIL: experimental/type_erased_allocator/2.cc (test for excess errors)

New passes:
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 e == 142