For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid
confusion with external linkage types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33663 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp
index 422cdda..2d80f53 100644
--- a/tools/llvm-nm/llvm-nm.cpp
+++ b/tools/llvm-nm/llvm-nm.cpp
@@ -67,7 +67,7 @@
 }
 
 static char TypeCharForSymbol(GlobalValue &GV) {
-  if (GV.isExternal())                                     return 'U';
+  if (GV.isDeclaration())                                     return 'U';
   if (GV.hasLinkOnceLinkage())                             return 'C';
   if (GV.hasWeakLinkage())                                 return 'W';
   if (isa<Function>(GV) && GV.hasInternalLinkage())       return 't';