[LLVMbugs] [Bug 19902] New: Clang-cl gives 'definition of dllimport static field not allowed' while cl does not

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19902

            Bug ID: 19902
           Summary: Clang-cl gives 'definition of dllimport static field
                    not allowed' while cl does not
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: jmuizelaar at mozilla.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Building this program with clang-cl gives a 'definition of dllimport static
field not allowed'. cl.exe accepts it

template <class> class A {
    public:
  __declspec(dllimport) static int b;
};
template <class _Elem> int A<_Elem>::b;
#if 0
A<int> k;
int o()
{ return k.b; }
#endif

However, if you change the #if 0 to #if 1 then cl.exe will complain about
inconsistent linkage.

This test case is a reduced version of the preprocessed output from

#include <string>
int main()
{
}

in bug 19150

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