majnemer requested changes to this revision.
majnemer added a comment.
This revision now requires changes to proceed.
I have a question regarding how this work with respect to the dllimport
semantics known by the linker.
IIUC, we will now allow a program like:
extern int __declspec(dllimport) dll_import_int;
constexpr int& dll_import_constexpr_ref = dll_import_int;
int& get() {
return dll_import_constexpr_ref;
}
Here, `get` will load `dll_import_constexpr_ref`. However, what will
`dll_import_constexpr_ref` hold? It ought to hold the contents of
`__imp_?dll_import_int@@3HA`. However, we can't dereference
`__imp_?dll_import_int@@3HA` to get to its contents.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D117569/new/
https://reviews.llvm.org/D117569
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