GH-111808: Make the default value for test.support.infinite_recursion() conditional on compiler optimizations (GH-112223)

Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Brett Cannon 2023-11-17 15:52:11 -08:00 committed by GitHub
parent dabc0d77b2
commit f489ace9e7
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4 changed files with 16 additions and 4 deletions

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@ -2120,13 +2120,21 @@ def set_recursion_limit(limit):
finally:
sys.setrecursionlimit(original_limit)
def infinite_recursion(max_depth=100):
def infinite_recursion(max_depth=None):
"""Set a lower limit for tests that interact with infinite recursions
(e.g test_ast.ASTHelpers_Test.test_recursion_direct) since on some
debug windows builds, due to not enough functions being inlined the
stack size might not handle the default recursion limit (1000). See
bpo-11105 for details."""
if max_depth < 3:
if max_depth is None:
if not python_is_optimized() or Py_DEBUG:
# Python built without compiler optimizations or in debug mode
# usually consumes more stack memory per function call.
# Unoptimized number based on what works under a WASI debug build.
max_depth = 50
else:
max_depth = 100
elif max_depth < 3:
raise ValueError("max_depth must be at least 3, got {max_depth}")
depth = get_recursion_depth()
depth = max(depth - 1, 1) # Ignore infinite_recursion() frame.