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

llvm-svn: 33663
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index 235b9d5..62f8995 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -137,5 +137,5 @@
     return false;
   
   return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
-         (GV->isExternal() && !GV->hasNotBeenReadFromBytecode());
+         (GV->isDeclaration() && !GV->hasNotBeenReadFromBytecode());
 }