[2.7] bpo-30416: Protect the optimizer during constant folding. (GH-4865) #4896
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…pythonGH-4865) It no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later. This fixes also bpo-21074.. (cherry picked from commit b580f4f)
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It no longer spends much time doing complex calculations and no longer consumes much memory for creating large constants that will be dropped later.
This fixes also bpo-21074.
(cherry picked from commit b580f4f)
https://bugs.python.org/issue30416