Rename getDecomposedInstantiationLoc to getDecomposedExpansionLoc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135962 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/MacroInfo.cpp b/lib/Lex/MacroInfo.cpp
index 0a16a25..9e682ce 100644
--- a/lib/Lex/MacroInfo.cpp
+++ b/lib/Lex/MacroInfo.cpp
@@ -68,9 +68,9 @@
   assert((macroEnd.isFileID() || lastToken.is(tok::comment)) &&
          "Macro defined in macro?");
   std::pair<FileID, unsigned>
-      startInfo = SM.getDecomposedInstantiationLoc(macroStart);
+      startInfo = SM.getDecomposedExpansionLoc(macroStart);
   std::pair<FileID, unsigned>
-      endInfo = SM.getDecomposedInstantiationLoc(macroEnd);
+      endInfo = SM.getDecomposedExpansionLoc(macroEnd);
   assert(startInfo.first == endInfo.first &&
          "Macro definition spanning multiple FileIDs ?");
   assert(startInfo.second <= endInfo.second);