Regressions on trunk at revision 204836 vs revision 203817

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: boehm-gc.c/gctest.c -O2 execution test
FAIL: gcc.dg/guality/pr54693-2.c  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 21 i == v + 1
FAIL: gcc.dg/guality/pr54693-2.c  -O3 -fomit-frame-pointer -funroll-loops  line 21 i == v + 1
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O3 -fomit-frame-pointer  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O3 -g  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -Os  line 43 a.j == 14
FAIL: gcc.dg/uninit-pred-8_b.c bogus warning (test for bogus messages, line 20)
FAIL: gcc.dg/uninit-pred-8_b.c bogus warning (test for bogus messages, line 20)
FAIL: gcc.dg/uninit-pred-9_b.c bogus warning (test for bogus messages, line 24)
FAIL: gcc.dg/uninit-pred-9_b.c bogus warning (test for bogus messages, line 24)

New passes:
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.target/i386/funcspec-5.c (test for excess errors)