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bpo-32176: Set CO_NOFREE in the code object constructor (GH-4675)

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Previously, CO_NOFREE was set in the compiler, which meant
it could end up being set incorrectly when code objects
were created directly. Setting it in the constructor based
on freevars and cellvars ensures it is always accurate,
regardless of how the code object is defined.
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Nick Coghlan 2017-12-03 11:12:20 +10:00 • committed by GitHub
parent 7324b5ce8e
commit 078f1814f1
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4 changed files with 59 additions and 6 deletions
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5
Python/compile.c
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@ -5273,11 +5273,6 @@ compute_code_flags(struct compiler *c)
/* (Only) inherit compilerflags in PyCF_MASK */
flags |= (c->c_flags->cf_flags & PyCF_MASK);
if (!PyDict_GET_SIZE(c->u->u_freevars) &&
!PyDict_GET_SIZE(c->u->u_cellvars)) {
flags |= CO_NOFREE;
}
return flags;
}