Regressions on master at commit r13-4736 vs commit r13-4712 on Linux/i686

[H.J. Lu]

New failures:
FAIL: 20_util/to_chars/float16_c++23.cc execution test
FAIL: 30_threads/recursive_timed_mutex/cons/copy_neg.cc  (test for errors, line 28)
FAIL: 30_threads/recursive_timed_mutex/cons/copy_neg.cc (test for excess errors)
FAIL: gcc.target/i386/pr64110.c scan-assembler vmovd[\\t ]
FAIL: libgomp.fortran/allocate-4.f90   -O   (test for errors, line 19)
FAIL: libgomp.fortran/allocate-4.f90   -O   (test for errors, line 25)
FAIL: libgomp.fortran/allocate-4.f90   -O   (test for errors, line 31)
FAIL: libgomp.fortran/allocate-4.f90   -O   (test for errors, line 34)
FAIL: libgomp.fortran/allocate-4.f90   -O   (test for errors, line 37)
FAIL: libgomp.fortran/allocate-4.f90   -O   (test for errors, line 40)
FAIL: libgomp.fortran/allocate-4.f90   -O  (test for excess errors)
FAIL: std/format/functions/format.cc (test for excess errors)

New passes:
FAIL: ext/pb_ds/example/hash_resize_neg.cc  (test for errors, line 60)
FAIL: ext/pb_ds/example/hash_resize_neg.cc (test for excess errors)
FAIL: tr1/6_containers/unordered_set/swap/2.cc (test for excess errors)