[3.6] bpo-30983: eval frame rename in pep 0523 broke gdb's python extension (GH-2803) #3090
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pep 0523 renames PyEval_EvalFrameEx to _PyEval_EvalFrameDefault while the gdb python extension only looks for PyEval_EvalFrameEx to understand if it is dealing with a frame.
Final effect is that attaching gdb to a python3.6 process doesnt resolve python objects. Eg. py-list and py-bt dont work properly.
This patch fixes that. Tested locally on python3.6
(cherry picked from commit 2e0f4db)
https://bugs.python.org/issue30983