Fix test/Regression/Linker/2005-12-06-AppendingZeroLengthArrays.ll and

PR662.  Thanks to Markus for providing me with a ton of files to
reproduce the problem!

llvm-svn: 24619

llvm/lib/Linker/LinkModules.cpp

@@ -748,6 +748,8 @@ static bool LinkAppendingVars(Module *M,
       unsigned NewSize = T1->getNumElements() + T2->getNumElements();
       ArrayType *NewType = ArrayType::get(T1->getElementType(), NewSize);
 
+      G1->setName("");   // Clear G1's name in case of a conflict!
+      
       // Create the new global variable...
       GlobalVariable *NG =
         new GlobalVariable(NewType, G1->isConstant(), G1->getLinkage(),