Mechanically rename SourceManager::getInstantiationLoc and
FullSourceLoc::getInstantiationLoc to ...::getExpansionLoc. This is part
of the API and documentation update from 'instantiation' as the term for
macros to 'expansion'.

llvm-svn: 135914
diff --git a/clang/lib/Basic/SourceLocation.cpp b/clang/lib/Basic/SourceLocation.cpp
index cf89edb..84f03fb 100644
--- a/clang/lib/Basic/SourceLocation.cpp
+++ b/clang/lib/Basic/SourceLocation.cpp
@@ -54,7 +54,7 @@
     return;
   }
 
-  SM.getInstantiationLoc(*this).print(OS, SM);
+  SM.getExpansionLoc(*this).print(OS, SM);
 
   OS << " <Spelling=";
   SM.getSpellingLoc(*this).print(OS, SM);
@@ -75,9 +75,9 @@
 }
 
 
-FullSourceLoc FullSourceLoc::getInstantiationLoc() const {
+FullSourceLoc FullSourceLoc::getExpansionLoc() const {
   assert(isValid());
-  return FullSourceLoc(SrcMgr->getInstantiationLoc(*this), *SrcMgr);
+  return FullSourceLoc(SrcMgr->getExpansionLoc(*this), *SrcMgr);
 }
 
 FullSourceLoc FullSourceLoc::getSpellingLoc() const {