diff --git a/lib/Basic/SourceLocation.cpp b/lib/Basic/SourceLocation.cpp
index 84f03fb..f6c604b 100644
--- a/lib/Basic/SourceLocation.cpp
+++ b/lib/Basic/SourceLocation.cpp
@@ -90,9 +90,9 @@
   return SrcMgr->getInstantiationLineNumber(*this, Invalid);
 }
 
-unsigned FullSourceLoc::getInstantiationColumnNumber(bool *Invalid) const {
+unsigned FullSourceLoc::getExpansionColumnNumber(bool *Invalid) const {
   assert(isValid());
-  return SrcMgr->getInstantiationColumnNumber(*this, Invalid);
+  return SrcMgr->getExpansionColumnNumber(*this, Invalid);
 }
 
 unsigned FullSourceLoc::getSpellingLineNumber(bool *Invalid) const {
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index ec97def..2931961 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -958,8 +958,8 @@
   return getColumnNumber(LocInfo.first, LocInfo.second, Invalid);
 }
 
-unsigned SourceManager::getInstantiationColumnNumber(SourceLocation Loc,
-                                                     bool *Invalid) const {
+unsigned SourceManager::getExpansionColumnNumber(SourceLocation Loc,
+                                                 bool *Invalid) const {
   if (isInvalid(Loc, Invalid)) return 0;
   std::pair<FileID, unsigned> LocInfo = getDecomposedExpansionLoc(Loc);
   return getColumnNumber(LocInfo.first, LocInfo.second, Invalid);