Regressions on native/releases/gcc-14 at commit r14-11719 vs commit r14-11714 on Linux/x86_64

[Haochen Jiang]

Regressions on releases/gcc-14 at commit r14-11719 vs commit r14-11714 on Linux/x86_64
New failures:
FAIL: c-c++-common/tsan/pr68260.c   -O0  execution test
FAIL: c-c++-common/tsan/pr68260.c   -O2  execution test
FAIL: c-c++-common/tsan/race_on_barrier2.c   -O0  output pattern test
FAIL: c-c++-common/tsan/race_on_barrier.c   -O2  output pattern test
FAIL: c-c++-common/tsan/race_on_mutex.c   -O2  output pattern test
FAIL: c-c++-common/tsan/simple_stack.c   -O0  output pattern test
FAIL: c-c++-common/tsan/thread_leak2.c   -O2  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/pthread_cond_clockwait.C   -O2  execution test

New passes:
FAIL: c-c++-common/tsan/atomic_stack.c   -O0  output pattern test
FAIL: c-c++-common/tsan/atomic_stack.c   -O2  output pattern test
FAIL: c-c++-common/tsan/free_race2.c   -O0  output pattern test
FAIL: c-c++-common/tsan/free_race2.c   -O2  output pattern test
FAIL: c-c++-common/tsan/thread_leak1.c   -O0  output pattern test
FAIL: c-c++-common/tsan/write_in_reader_lock.c   -O2  output pattern test