Regressions on releases/gcc-9 at commit cb54729240b30f187a143e5e84193f5bb5029a40 vs commit r9-7747 on Linux/x86_64

[H.J. Lu (Intel64)]

New failures:
FAIL: 22_locale/numpunct/members/char/3.cc execution test
FAIL: 22_locale/numpunct/members/char/3.cc execution test
FAIL: 22_locale/time_get/get_time/char/2.cc execution test
FAIL: 22_locale/time_get/get_time/char/2.cc execution test
FAIL: 22_locale/time_get/get_time/char/wrapped_env.cc execution test
FAIL: 22_locale/time_get/get_time/char/wrapped_env.cc execution test
FAIL: 22_locale/time_get/get_time/char/wrapped_locale.cc execution test
FAIL: 22_locale/time_get/get_time/char/wrapped_locale.cc execution test
FAIL: 22_locale/time_get/get_time/wchar_t/2.cc execution test
FAIL: 22_locale/time_get/get_time/wchar_t/2.cc execution test
FAIL: 22_locale/time_get/get_time/wchar_t/wrapped_env.cc execution test
FAIL: 22_locale/time_get/get_time/wchar_t/wrapped_env.cc execution test
FAIL: 22_locale/time_get/get_time/wchar_t/wrapped_locale.cc execution test
FAIL: 22_locale/time_get/get_time/wchar_t/wrapped_locale.cc execution test
FAIL: g++.dg/asan/asan_test.C   -O2  (test for excess errors)
FAIL: gfortran.dg/vect/vect-8.f90   -O   scan-tree-dump-times vect "vectorized 22 loops" 1

New passes:
FAIL: gcc.dg/guality/vla-1.c   -O1  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O1  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O2  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O2  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -Os  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c   -Os  -DPREVENT_OPTIMIZATION  line 17 sizeof (a) == 6
FAIL: g++.dg/guality/pr55665.C   -O2  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C   -O2  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C   -O3 -g  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C   -O3 -g  line 23 p == 40