[issue12604] VTRACE macro in _sre.c should use do {} while (0)

[Petri Lehtinen]

Petri Lehtinen <petri at digip.org> added the comment:

Attached a patch against 2.7 that adds the suggested fix.

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keywords: +patch
nosy: +petri.lehtinen
Added file: http://bugs.python.org/file22718/fix_empty_macro.patch

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