[issue39576] Surprising MemoryError in `decimal` with MAX_PREC

[Stefan Krah]

Stefan Krah <stefan at bytereef.org> added the comment:

The 3.9 change (see #40874) works successfully on all buildbots, except for the 32-bit xlc bot which should use c99_r.

Additionally, it has been tested with the latest gcc/clang/icc/cl.exe, static analyzers and clang-tidy.

It survives brute force allocation failure tests under Valgrind and all sanitizers (ASAN + integrated LSAN, UBSAN, TSAN).


Except for one (standalone LSAN), and that is an LSAN issue:

https://github.com/google/sanitizers/issues/1257


It looks very similar to the xlc issue and was found by using a debugger, which is apparently not possible with the xlc toolchain. :-)

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