[Patches] [ python-Patches-1200051 ] Small optimization for PyDict_Merge()

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Patches item #1200051, was opened at 2005-05-11 14:02
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Category: Core (C code)
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Barry A. Warsaw (bwarsaw)
Assigned to: Raymond Hettinger (rhettinger)
Summary: Small optimization for PyDict_Merge()

Initial Comment:
This patch avoids repeated PyDict_GetItem() calls when
'a' in PyDict_Merge() is known to be empty. 
Optimization found by Matt Messier.

This could also be applied to Python 2.5.

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