Bug report

Parser/pegen.c and Tools/peg_generator/peg_extension/peg_extension.c contain checks for wrong macro:

#if defined(PY_DEBUG)

They always false, because the correct name is Py_DEBUG, not PY_DEBUG. Therefore, the code which was supposed to run in the debug build, is never compiled code.

cc @pablogsal

Linked PRs

• gh-122270: Fix typos in the Py_DEBUG macro name #122271
• [3.13] gh-122270: Fix typos in the Py_DEBUG macro name (GH-122271) #122275
• [3.12] gh-122270: Fix typos in the Py_DEBUG macro name (GH-122271) #122276