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gh-106149: fix comment on stackdepth of generators (#107321)

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Irit Katriel 2023-07-26 23:31:47 +01:00 • committed by GitHub
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Python/compile.c
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@ -7735,8 +7735,9 @@ optimize_and_assemble_code_unit(struct compiler_unit *u, PyObject *const_cache,
/* prepare_localsplus adds instructions for generators that push
* and pop an item on the stack. This assertion makes sure there
* is space on the stack for that.
* It should always be true, because at least one expression is
* required to turn a function into a generator.
* It should always be true, because a generator must have at
* least one expression or call to INTRINSIC_STOPITERATION_ERROR,
* which requires stackspace.
*/
assert(!(IS_GENERATOR(code_flags) && stackdepth == 0));