Inline function into only use.

llvm-svn: 215925
diff --git a/clang/lib/Basic/SourceLocation.cpp b/clang/lib/Basic/SourceLocation.cpp
index 0c06a48..6b885a7 100644
--- a/clang/lib/Basic/SourceLocation.cpp
+++ b/clang/lib/Basic/SourceLocation.cpp
@@ -132,13 +132,9 @@
   return SrcMgr->getCharacterData(*this, Invalid);
 }
 
-const llvm::MemoryBuffer* FullSourceLoc::getBuffer(bool *Invalid) const {
-  assert(isValid());
-  return SrcMgr->getBuffer(SrcMgr->getFileID(*this), Invalid);
-}
-
 StringRef FullSourceLoc::getBufferData(bool *Invalid) const {
-  return getBuffer(Invalid)->getBuffer();
+  assert(isValid());
+  return SrcMgr->getBuffer(SrcMgr->getFileID(*this), Invalid)->getBuffer();;
 }
 
 std::pair<FileID, unsigned> FullSourceLoc::getDecomposedLoc() const {