Issue 35973: growable_int_array type_ignores in parsetok.c is not always freed. (original) (raw)

Thanks for the report!

I think I see a path through the code that doesn't free the memory.

Does this patch fix it?

diff --git a/Parser/parsetok.c b/Parser/parsetok.c index 1fa4a1286b..6a96f6bc5a 100644 --- a/Parser/parsetok.c +++ b/Parser/parsetok.c @@ -370,7 +370,6 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret, type_ignores.items[i], 0); } }

•    growable_int_array_deallocate(&type_ignores);

#ifndef PGEN /* Check that the source for a single input statement really @@ -405,6 +404,8 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret, else n = NULL;

• growable_int_array_deallocate(&type_ignores);
• #ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD *flags = ps->p_flags; #endif