[issue5918] test_parser crashes when run after some other tests

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

It's actually an array bounds read error in parsermodule.c::validate_try.
Purify detects it, if you disable pymalloc; distutils is innocent. 

Patch attached.

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keywords: +patch
nosy: +amaury.forgeotdarc
Added file: http://bugs.python.org/file13910/parser.patch

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