I confirm that your patch fixes it too.
Fix for segfault on macOS Ventura
Build patches used in homebrew
Patch for compilation under OS X
COMP: Use pygccxml's public API for apply defin...
ENH: pygccxml v1.8.0 (reduced)
ENH: Update UpdatepygccxmlFromUpstream.sh for v...
Merge branch 'pygccxml-upstream' into pygccxml-...