Regressions on trunk at revision 210552 vs revision 210542

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/guality/pr36728-1.c  -O1  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O1  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O2  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O2  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O3 -fomit-frame-pointer  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O3 -fomit-frame-pointer  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O3 -g  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -O3 -g  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -Os  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-1.c  -Os  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O1  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O1  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O2  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O2  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O3 -fomit-frame-pointer  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O3 -fomit-frame-pointer  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O3 -g  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -O3 -g  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -Os  line 14 arg7 == 30
FAIL: gcc.dg/guality/pr36728-3.c  -Os  line 16 arg7 == 30

New passes:
FAIL: g++.dg/tsan/cond_race.C  -O2  output pattern test, is ==================