Properly handle linking of strong alias with weak function, this fixes PR2883

llvm-svn: 57594
2008-10-15 20:10:08 +00:00 · 2008-10-15 20:10:08 +00:00 · 82dd61114d
parent dbc44de285
commit 82dd61114d
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@ -984,7 +984,7 @@ static bool LinkFunctionProtos(Module *Dest, const Module *Src,
      // The only valid mappings are:
      // - SF is external declaration, which is effectively a no-op.
      // - SF is weak, when we just need to throw SF out.
-      if (!SF->isDeclaration())
+      if (!SF->isDeclaration() && !SF->mayBeOverridden())
        return Error(Err, "Function-Alias Collision on '" + SF->getName() +
                     "': symbol multiple defined");
    }