[issue16653] reference kept in f_locals prevents the tracing/profiling of a destructor

[Xavier de Gaye]

Xavier de Gaye added the comment:

Tracing/profiling is disabled when tstate->tracing is true or
tstate->use_tracing is false. The proposed patch fixes the problem by reducing
the scope where this condition is true.

As a consequence call_trace, profile_trampoline, trace_trampoline and
call_trampoline may now be called recursively.

The patch includes a test case.

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keywords: +patch
Added file: http://bugs.python.org/file28270/issue_16653.diff

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