Regressions on trunk at revision 224735 vs revision 224718

[Intel Automatic Testing System [Intel64 Core AVX2]]

New failures:
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_divrem_overflow
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_divrem_overflow
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_divrem_overflow
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_divrem_overflow
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_shift_out_of_bounds
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_shift_out_of_bounds
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_shift_out_of_bounds
FAIL: c-c++-common/ubsan/pr58443-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler __ubsan_handle_shift_out_of_bounds
FAIL: gcc.c-torture/compile/pr61848.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler mysection
FAIL: gcc.c-torture/compile/pr61848.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler mysection
FAIL: gcc.dg/torture/builtin-self.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler \t(lock|mfence)
FAIL: gcc.dg/torture/builtin-self.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler \t(lock|mfence)
FAIL: g++.dg/torture/pr61848.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler mysection
FAIL: g++.dg/torture/pr61848.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-assembler mysection

New passes:
FAIL: gcc.dg/guality/pr43177.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 24 l == 10
FAIL: gcc.dg/guality/pr43177.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 24 x == 7
FAIL: gcc.dg/guality/sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 32 a[0] == 4
FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++11  scan-ipa-dump icf "Equal symbols: [67]"
FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++11  scan-ipa-dump icf "Equal symbols: [67]"
FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++14  scan-ipa-dump icf "Equal symbols: [67]"
FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++14  scan-ipa-dump icf "Equal symbols: [67]"
FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++98  scan-ipa-dump icf "Equal symbols: [67]"
FAIL: g++.dg/ipa/ipa-icf-4.C  -std=gnu++98  scan-ipa-dump icf "Equal symbols: [67]"