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[3.14] gh-141579: Fix perf_jit backend in sys.activate_stack_trampoline() (GH-141580) (#141581)

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Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
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Miss Islington (bot) 2025-11-15 03:49:54 +01:00 • committed by GitHub
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commit 17e7aad5e3
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3 changed files with 28 additions and 8 deletions
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18
Lib/test/test_perf_profiler.py
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@ -231,6 +231,24 @@ def test_sys_api_get_status(self):
"""
assert_python_ok("-c", code, PYTHON_JIT="0")
def test_sys_api_perf_jit_backend(self):
code = """if 1:
import sys
sys.activate_stack_trampoline("perf_jit")
assert sys.is_stack_trampoline_active() is True
sys.deactivate_stack_trampoline()
assert sys.is_stack_trampoline_active() is False
"""
assert_python_ok("-c", code, PYTHON_JIT="0")
def test_sys_api_with_existing_perf_jit_trampoline(self):
code = """if 1:
import sys
sys.activate_stack_trampoline("perf_jit")
sys.activate_stack_trampoline("perf_jit")
"""
assert_python_ok("-c", code, PYTHON_JIT="0")
def is_unwinding_reliable_with_frame_pointers():
cflags = sysconfig.get_config_var("PY_CORE_CFLAGS")