[llvm-bugs] [Bug 48161] New: clang-cl fails to dllexport explicit specialization of member function

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Nov 12 04:46:17 PST 2020


https://bugs.llvm.org/show_bug.cgi?id=48161

            Bug ID: 48161
           Summary: clang-cl fails to dllexport explicit specialization of
                    member function
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: hans at chromium.org
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    neeilans at live.com, richard-llvm at metafoo.co.uk
            Blocks: 13707

Consider:

template <typename T> struct S {
  void __declspec(dllexport) f() {}
};
template <> void S<int>::f() {};


MSVC exports S<int>::f(), but clang-cl doesn't.

(If the dllexport attribute is on the class, clang-cl handles it; Bug 34849.
However in this case, the attribute is never propagated from the template to
the specialization.)


Referenced Bugs:

https://bugs.llvm.org/show_bug.cgi?id=13707
[Bug 13707] [meta] VCPP compatibility issues
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