Regressions on trunk at revision 232565 vs revision 232496

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O0  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O0  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O0  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O0  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O1  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O1  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O1  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O1  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O2  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O3 -g  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O3 -g  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -O3 -g  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -Os  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -Os  (internal compiler error)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -Os  (test for excess errors)
FAIL: gcc.target/i386/mpx/chkp-thunk-comdat-2.cc   -Os  (test for excess errors)
FAIL: gcc.target/i386/pr65184.c (internal compiler error)
FAIL: gcc.target/i386/pr65184.c (internal compiler error)
FAIL: gcc.target/i386/pr65184.c (test for excess errors)
FAIL: gcc.target/i386/pr65184.c (test for excess errors)
FAIL: gcc.target/i386/thunk-retbnd.c (internal compiler error)
FAIL: gcc.target/i386/thunk-retbnd.c (internal compiler error)
FAIL: gcc.target/i386/thunk-retbnd.c (test for excess errors)
FAIL: gcc.target/i386/thunk-retbnd.c (test for excess errors)

New passes:
FAIL: gcc.dg/tree-ssa/pr31261.c scan-tree-dump-times original "return b & 7;" 1
FAIL: gcc.dg/tree-ssa/pr31261.c scan-tree-dump-times original "return b & 7;" 1
FAIL: gcc.dg/tree-ssa/pr31261.c scan-tree-dump-times original "return \\(int\\) \\(12 - \\(unsigned int\\) d\\) & 7;" 1
FAIL: gcc.dg/tree-ssa/pr31261.c scan-tree-dump-times original "return \\(int\\) \\(12 - \\(unsigned int\\) d\\) & 7;" 1
FAIL: gcc.target/i386/pr68483-1.c expected multiline pattern lines 18-19 not found: "\s*TEST_EQ \(fmin\);.*\n            \^\n"
FAIL: gcc.target/i386/pr68483-1.c expected multiline pattern lines 23-24 not found: "   if \(\(long\)FUNC##l\(xl,xl\) != \(long\)xl\) \\.*\n             \^~~~\n"