Regressions on native/master at commit r13-3562 vs commit r13-3555 on Linux/x86_64

[H. J. Lu]

Regressions on native/master at commit r13-3562 vs commit r13-3555 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/guality/drap.c   -Os  -DPREVENT_OPTIMIZATION  line 21 a == 5
FAIL: gcc.dg/guality/drap.c   -Os  -DPREVENT_OPTIMIZATION  line 22 b == 6
FAIL: gcc.dg/guality/pr43051-1.c   -Os  -DPREVENT_OPTIMIZATION  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -Os  -DPREVENT_OPTIMIZATION  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -Os  -DPREVENT_OPTIMIZATION  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -Os  -DPREVENT_OPTIMIZATION  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43177.c   -Os  -DPREVENT_OPTIMIZATION  line 15 x == 7
FAIL: gcc.dg/guality/pr54519-3.c   -Os  -DPREVENT_OPTIMIZATION  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-3.c   -Os  -DPREVENT_OPTIMIZATION  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c   -Os  -DPREVENT_OPTIMIZATION  line 23 y == 117
FAIL: gcc.dg/guality/pr54519-3.c   -Os  -DPREVENT_OPTIMIZATION  line 23 z == 8
FAIL: gcc.dg/guality/pr54519-4.c   -Os  -DPREVENT_OPTIMIZATION  line 17 y == 25
FAIL: gcc.dg/guality/pr54796.c   -O1  -DPREVENT_OPTIMIZATION  line 17 a == 5
FAIL: gcc.dg/guality/pr54796.c   -O1  -DPREVENT_OPTIMIZATION  line 17 b == 6
FAIL: gcc.dg/guality/pr54796.c   -O1  -DPREVENT_OPTIMIZATION  line 17 c == 5
FAIL: gcc.dg/guality/pr54796.c   -O2  -DPREVENT_OPTIMIZATION  line 17 a == 5
FAIL: gcc.dg/guality/pr54796.c   -O2  -DPREVENT_OPTIMIZATION  line 17 b == 6
FAIL: gcc.dg/guality/pr54796.c   -O2  -DPREVENT_OPTIMIZATION  line 17 c == 5
FAIL: gcc.dg/guality/pr54796.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 17 a == 5
FAIL: gcc.dg/guality/pr54796.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 17 b == 6
FAIL: gcc.dg/guality/pr54796.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 17 c == 5
FAIL: gcc.dg/guality/pr54796.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 17 a == 5
FAIL: gcc.dg/guality/pr54796.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 17 b == 6
FAIL: gcc.dg/guality/pr54796.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 17 c == 5
FAIL: gcc.dg/guality/pr54796.c   -Os  -DPREVENT_OPTIMIZATION  line 17 a == 5
FAIL: gcc.dg/guality/pr54796.c   -Os  -DPREVENT_OPTIMIZATION  line 17 b == 6
FAIL: gcc.dg/guality/pr54796.c   -Os  -DPREVENT_OPTIMIZATION  line 17 c == 5
FAIL: gcc.dg/guality/sra-1.c   -Os  -DPREVENT_OPTIMIZATION  line 43 a.j == 14
FAIL: gcc.dg/guality/vla-1.c   -O1  -DPREVENT_OPTIMIZATION  line 24 i == 5
FAIL: gcc.dg/guality/vla-1.c   -O2  -DPREVENT_OPTIMIZATION  line 24 i == 5
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 24 i == 5
FAIL: gcc.dg/guality/vla-1.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 24 i == 5
FAIL: gcc.dg/guality/vla-1.c   -Os  -DPREVENT_OPTIMIZATION  line 24 i == 5
FAIL: gfortran.dg/guality/pr41558.f90   -Os  line 7 s == 'foo'