[libclang] Make sure we do a correct invalid check in clang_getExpansionLocation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142430 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index e085a27..3130a02 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -2814,7 +2814,7 @@
   FileID fileID = SM.getFileID(ExpansionLoc);
   bool Invalid = false;
   const SrcMgr::SLocEntry &sloc = SM.getSLocEntry(fileID, &Invalid);
-  if (!sloc.isFile() || Invalid) {
+  if (Invalid || !sloc.isFile()) {
     createNullLocation(file, line, column, offset);
     return;
   }