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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_opt.c
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@ -1102,9 +1102,6 @@ astfold_type_param(type_param_ty node_, PyArena *ctx_, _PyASTOptimizeState *stat
#undef CALL_OPT
#undef CALL_SEQ
/* See comments in symtable.c. */
#define COMPILER_STACK_FRAME_SCALE 2
int
_PyAST_Optimize(mod_ty mod, PyArena *arena, _PyASTOptimizeState *state)
{
@ -1118,9 +1115,9 @@ _PyAST_Optimize(mod_ty mod, PyArena *arena, _PyASTOptimizeState *state)
}
/* 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;
int ret = astfold_mod(mod, arena, state);
assert(ret || PyErr_Occurred());