pythongh-111178: Skip test_perf_profiler on function sanitizer (python#132020)

Add 'function' parameter to check_sanitizer() of test.support.

Author: vstinner

Lib/test/support/__init__.py

@@ -409,7 +409,8 @@ def skip_if_buildbot(reason=None):
         isbuildbot = False
     return unittest.skipIf(isbuildbot, reason)
 
-def check_sanitizer(*, address=False, memory=False, ub=False, thread=False):
+def check_sanitizer(*, address=False, memory=False, ub=False, thread=False,
+                    function=True):
     """Returns True if Python is compiled with sanitizer support"""
     if not (address or memory or ub or thread):
         raise ValueError('At least one of address, memory, ub or thread must be True')
@@ -433,11 +434,15 @@ def check_sanitizer(*, address=False, memory=False, ub=False, thread=False):
         '-fsanitize=thread' in cflags or
         '--with-thread-sanitizer' in config_args
     )
+    function_sanitizer = (
+        '-fsanitize=function' in cflags
+    )
     return (
         (memory and memory_sanitizer) or
         (address and address_sanitizer) or
         (ub and ub_sanitizer) or
-        (thread and thread_sanitizer)
+        (thread and thread_sanitizer) or
+        (function and function_sanitizer)
     )
 
 

Lib/test/test_perf_profiler.py

@@ -17,7 +17,7 @@
 if not support.has_subprocess_support:
     raise unittest.SkipTest("test module requires subprocess")
 
-if support.check_sanitizer(address=True, memory=True, ub=True):
+if support.check_sanitizer(address=True, memory=True, ub=True, function=True):
     # gh-109580: Skip the test because it does crash randomly if Python is
     # built with ASAN.
     raise unittest.SkipTest("test crash randomly on ASAN/MSAN/UBSAN build")