Regressions on releases/gcc-16 at commit r16-9359 vs commit r16-9356 on Linux/x86_64

[Haochen Jiang]

Regressions on releases/gcc-16 at commit r16-9359 vs commit r16-9356 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg1 == 1
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg2 == 2
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg3 == 3
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg4 == 4
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg5 == 5
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg6 == 6
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 arg7 == 30
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg1 == 1
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg2 == 2
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg3 == 3
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg4 == 4
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg5 == 5
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg6 == 6
FAIL: gcc.dg/guality/pr36728-2.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 18 arg7 == 30
FAIL: gcc.dg/guality/pr36728-4.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 14 y == 2
FAIL: gcc.dg/guality/pr36728-4.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 14 y == 2
FAIL: gcc.dg/guality/pr36728-4.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 y == 2
FAIL: gcc.dg/guality/pr36728-4.c   -O3 -g  -DPREVENT_OPTIMIZATION  line 16 y == 2