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[3.12] GH-112215: Backport C recursion changes (GH-115083)

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Mark Shannon 2024-02-13 09:45:59 +00:00 • committed by GitHub
parent a30bb080dc
commit 4d87832d87
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14 changed files with 65 additions and 46 deletions
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7
Python/ast.c
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@ -1038,9 +1038,6 @@ validate_type_params(struct validator *state, asdl_type_param_seq *tps)
}
/* See comments in symtable.c. */
#define COMPILER_STACK_FRAME_SCALE 2
int
_PyAST_Validate(mod_ty mod)
{
@ -1057,9 +1054,9 @@ _PyAST_Validate(mod_ty mod)
}
/* Be careful here to prevent overflow. */
int recursion_depth = C_RECURSION_LIMIT - tstate->c_recursion_remaining;
starting_recursion_depth = recursion_depth * COMPILER_STACK_FRAME_SCALE;
starting_recursion_depth = recursion_depth;
state.recursion_depth = starting_recursion_depth;
state.recursion_limit = C_RECURSION_LIMIT * COMPILER_STACK_FRAME_SCALE;
state.recursion_limit = C_RECURSION_LIMIT;
switch (mod->kind) {
case Module_kind: