Regressions on trunk at revision 193552 vs revision 192529

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: g++.dg/tm/pr51516.C -std=gnu++11  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: g++.dg/tm/pr51516.C -std=gnu++11  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: g++.dg/tm/pr51516.C -std=gnu++98  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: g++.dg/tm/pr51516.C -std=gnu++98  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: gcc.dg/guality/pr43051-1.c  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c  -O3 -fomit-frame-pointer -funroll-loops  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr54519-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 z == 6
FAIL: gcc.dg/guality/pr54693-2.c  -Os  line 21 x == 10 - i
FAIL: gcc.dg/guality/pr54693-2.c  -Os  line 21 y == 20 - 2 * i
FAIL: gcc.dg/guality/pr54970.c  -Os  line 15 a[0] == 1
FAIL: gcc.dg/guality/pr54970.c  -Os  line 20 a[0] == 1
FAIL: gcc.dg/guality/pr54970.c  -Os  line 25 a[0] == 1
FAIL: gcc.dg/guality/pr54970.c  -Os  line 31 *p == 6
FAIL: gcc.dg/guality/pr54970.c  -Os  line 31 *q == 5
FAIL: gcc.dg/guality/pr54970.c  -Os  line 36 *p == 26
FAIL: gcc.dg/guality/pr54970.c  -Os  line 36 *q == 5
FAIL: gcc.dg/guality/pr54970.c  -Os  line 45 *p == 26
FAIL: gcc.dg/guality/pr54970.c  -Os  line 45 *q == 25
FAIL: gcc.dg/guality/pr54970.c  -Os  line 45 p[-1] == 25
FAIL: gcc.dg/guality/pr54970.c  -Os  line 45 p[-2] == 4
FAIL: gcc.dg/guality/pr54970.c  -Os  line 45 q[-1] == 4
FAIL: gcc.dg/guality/pr54970.c  -Os  line 45 q[1] == 26

New passes:
FAIL: gfortran.dg/pr48757.f  -O  (internal compiler error)
FAIL: gfortran.dg/pr48757.f  -O  (test for excess errors)