Regressions on native/releases/gcc-14 at commit r14-12520 vs commit r14-12513 on Linux/x86_64

[Haochen Jiang]

Regressions on releases/gcc-14 at commit r14-12520 vs commit r14-12513 on Linux/x86_64
New failures:
FAIL: c-c++-common/tsan/atomic_stack.c   -O2  output pattern test
FAIL: c-c++-common/tsan/pr68260.c   -O0  execution test
FAIL: c-c++-common/tsan/simple_race.c   -O2  output pattern test
FAIL: c-c++-common/tsan/simple_stack.c   -O0  output pattern test
FAIL: c-c++-common/tsan/simple_stack.c   -O2  output pattern test
FAIL: c-c++-common/tsan/thread_leak2.c   -O0  output pattern test
FAIL: c-c++-common/tsan/thread_leak2.c   -O2  output pattern test
FAIL: c-c++-common/tsan/thread_leak.c   -O0  execution test
FAIL: c-c++-common/tsan/thread_leak.c   -O2  execution test
FAIL: c-c++-common/tsan/tiny_race.c   -O0  output pattern test
FAIL: c-c++-common/tsan/tls_race.c   -O2  output pattern test
FAIL: c-c++-common/tsan/volatile.c   -O0  execution test
FAIL: c-c++-common/tsan/write_in_reader_lock.c   -O0  output pattern test
FAIL: g++.dg/tsan/aligned_vs_unaligned_race.C   -O0  output pattern test
FAIL: g++.dg/tsan/aligned_vs_unaligned_race.C   -O2  output pattern test
FAIL: g++.dg/tsan/atomic_free2.C   -O0  output pattern test
FAIL: g++.dg/tsan/atomic_free2.C   -O2  output pattern test
FAIL: g++.dg/tsan/atomic_free.C   -O0  output pattern test

New passes:
FAIL: c-c++-common/tsan/race_on_barrier2.c   -O0  output pattern test
FAIL: c-c++-common/tsan/race_on_barrier.c   -O0  output pattern test
FAIL: c-c++-common/tsan/race_on_mutex2.c   -O2  output pattern test
FAIL: g++.dg/tsan/benign_race.C   -O0  execution test
FAIL: g++.dg/tsan/default_options.C   -O0  execution test
FAIL: g++.dg/tsan/default_options.C   -O2  execution test
FAIL: g++.dg/tsan/fd_close_norace2.C   -O2  execution test
FAIL: g++.dg/tsan/fd_close_norace.C   -O2  execution test
FAIL: g++.dg/tsan/pthread_cond_clockwait.C   -O2  execution test
FAIL: g++.dg/tsan/vptr_benign_race.C   -O0  execution test