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GH-131798: Type-propagate string/list/tuple slices (GH-134671)

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Amit Lavon 2025-06-07 14:08:44 -07:00 • committed by GitHub
parent ac9c3431cc
commit 8fdbbf8b18
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4 changed files with 55 additions and 3 deletions
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13
Python/optimizer_cases.c.h generated
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@ -568,8 +568,19 @@
}
case _BINARY_SLICE: {
JitOptSymbol *container;
JitOptSymbol *res;
res = sym_new_not_null(ctx);
container = stack_pointer[-3];
PyTypeObject *type = sym_get_type(container);
if (type == &PyUnicode_Type ||
type == &PyList_Type ||
type == &PyTuple_Type)
{
res = sym_new_type(ctx, type);
}
else {
res = sym_new_not_null(ctx);
}
stack_pointer[-3] = res;
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());