[LLVMbugs] [Bug 822] NEW: llvm needs to support external weak linkage

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=822

           Summary: llvm needs to support external weak linkage
           Product: libraries
           Version: 1.7
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core LLVM classes
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sabre at nondot.org


LLVM needs to support a new linkage type, external weak linkage.

The semantics follow the ELF model: the symbol is weak until linked, if not linked, the symbol becomes 
null instead of being an undefined reference.

This is the root cause of Bug 821.

-Chris



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