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This fix stops freeing the current BLOCK namespace during malformed END error recovery. It now lets normal block unwinding/cleanup handle the free, preventing the heap-use-after-free. Suggested-by: Jakub Jelinek <jakub@redhat.com> Signed-off-by: Christopher Albert <albert@tugraz.at> PR fortran/122491 gcc/fortran/ChangeLog: * decl.cc (gfc_match_end): Do not free current BLOCK namespace during malformed END cleanup.
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