Prohibit binding replacement in closed modules during precompile #57425
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This applies the existing prohibition against introducing new bindings in a closed module to binding replacement as well (for the same reason - the change won't be persisted after reload). It is pretty hard to even reach this point, since `eval` into closed modules is already prohibited and there's no surface syntax for cross-module declaration, but it is technically reachable from lowered IR. Further, in the future we may make all of these builtins, which would make it easier. Thus, be consistent now and fully disallow binding replacement in closed modules during precompile.
KristofferC
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Feb 17, 2025
) This applies the existing prohibition against introducing new bindings in a closed module to binding replacement as well (for the same reason - the change won't be persisted after reload). It is pretty hard to even reach this point, since `eval` into closed modules is already prohibited and there's no surface syntax for cross-module declaration, but it is technically reachable from lowered IR. Further, in the future we may make all of these builtins, which would make it easier. Thus, be consistent now and fully disallow binding replacement in closed modules during precompile. (cherry picked from commit 56aed62)
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This applies the existing prohibition against introducing new bindings in a closed module to binding replacement as well (for the same reason - the change won't be persisted after reload). It is pretty hard to even reach this point, since
evalinto closed modules is already prohibited and there's no surface syntax for cross-module declaration, but it is technically reachable from lowered IR. Further, in the future we may make all of these builtins, which would make it easier. Thus, be consistent now and fully disallow binding replacement in closed modules during precompile.