bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure · Pull Request #32223 · python/cpython · GitHub

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2. add CompileData class to sre_compile.py

3. add repeat_count parameter to _sre.compile() function

4. emit repeat_count in sre_compile.py

5. change _validate_outer() parameter

6. validate in _validate_inner()

7. allocate repeats_array for SRE_STATE

8. support code in sre_lib.h

Memory leak in Modules/sre_lib.h #67877