Silencing an MSVC warning about not all control paths returning a value. No functiona...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204345 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Lex/HeaderSearch.cpp b/lib/Lex/HeaderSearch.cpp
index cb76923f2d67bc73edeca905f12b8ac3c155841f..685b3efd570771f13299300ba40ed4fbe90f1850 100644 (file)
--- a/lib/Lex/HeaderSearch.cpp
+++ b/lib/Lex/HeaderSearch.cpp
@@ -1156,6 +1156,7 @@ bool HeaderSearch::loadModuleMapFile(const FileEntry *File, bool IsSystem) {
   case LMM_InvalidModuleMap:
     return true;
   }
+  llvm_unreachable("Unknown load module map result");
 }
 
 HeaderSearch::LoadModuleMapResult