[Bug ld/17480] New: Failed to create shared library on Windows with __attribute__((__dllexport__, weak))

[antoshkka at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17480

            Bug ID: 17480
           Summary: Failed to create shared library on Windows with
                    __attribute__((__dllexport__, weak))
           Product: binutils
           Version: 2.23
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: antoshkka at gmail dot com

Compiling the following 1 line program:

    __attribute__((__dllexport__, weak)) void* p = 0;

with the following command:

    g++ -shared ld_test.c -LD:\mingw64\lib

produces error:

    Cannot export p: symbol wrong type (2 vs 3)
    collect2.exe: error: ld returned 1 exit status


Mixing same attributes on Windows+MSVC and Clang+Linux, GCC+Linux work well.

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