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Re-enable ASan leak detection, add Massif heap profiling target

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#286: Change detect_leaks=0 to detect_leaks=1 in asan-test target.
LSAN suppressions for CPython intentional leaks (interned strings, type
objects, small int cache, etc.) were already in sanitizers/asan.supp.
Now that #266 and #275 are fixed, real McRogueFace leaks will be caught.

#284: Add make massif-test target that runs stress_test_suite.py under
Valgrind Massif for heap profiling. Output goes to build-debug/massif.out,
viewable with ms_print.

Closes #286, closes #284

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
John McCardle 2026-04-10 01:08:54 -04:00
commit 188b312af0
2 changed files with 329 additions and 2 deletions
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4
sanitizers/asan.supp
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@ -1,8 +1,8 @@
# McRogueFace AddressSanitizer Suppression File
#
# Minimal — most CPython false positives are handled by:
# CPython false positives are handled by:
# - PYTHONMALLOC=malloc (bypasses pymalloc)
# - detect_leaks=0 (CPython has intentional lifetime leaks)
# - LSAN suppressions below (CPython has intentional lifetime leaks)
#
# Usage (via ASAN_OPTIONS or LSAN_OPTIONS):
# LSAN_OPTIONS="suppressions=sanitizers/asan.supp"