https://bugs.llvm.org/show_bug.cgi?id=41018
Bug ID: 41018
Summary: dllimport conflicts with
exclude_from_explicit_instantiation.
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
When both dllimport and exclude_from_explicit_instantiation are passed, Clang
still expects the function to have a externally available definition. But this
is not the case.
For example: https://godbolt.org/z/gKOHCk
This leads to linker errors because of undefined symbols.
I think one approach would be to make Clang not inherit `dllimport` attributes
on functions declared with exclude_from_explicit_instantiation. When dllimport
is applied directly, we could emit an error for incompatible attributes.
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