[LLVMbugs] [Bug 19939] New: Clang fails to export __declspec(dllexport) symbols

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19939

            Bug ID: 19939
           Summary: Clang fails to export __declspec(dllexport) symbols
           Product: clang
           Version: 3.4
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: darkjedi.trashmail at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12602
  --> http://llvm.org/bugs/attachment.cgi?id=12602&action=edit
main.cpp & main.h

When trying to compile a Windows DLL with clang using functions marked with
__declspec(dllexport) the compilation fails with:

Cannot export _DllMain at 12: symbol not found
Cannot export _SomeFunction: symbol not found

The symbols created in the main.o file are correct (output from objdump):

[  2](sec  1)(fl 0x00)(ty  20)(scl   2) (nx 1) 0x00000000 _SomeFunction
[  5](sec  1)(fl 0x00)(ty  20)(scl   2) (nx 0) 0x00000080 _DllMain at 12

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