Silence set-but-unused warning.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148496 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/unittests/Lex/LexerTest.cpp b/unittests/Lex/LexerTest.cpp
index fecdb7fc05428e3d1dd263d02a850750452bffb5..c83a6ac8cf617d53b1a60534e79ede85d090d16a 100644 (file)
--- a/unittests/Lex/LexerTest.cpp
+++ b/unittests/Lex/LexerTest.cpp
@@ -60,7 +60,7 @@ TEST_F(LexerTest, LexAPI) {
     "#define M(x) [x]\n"
     "M(foo)";
   MemoryBuffer *buf = MemoryBuffer::getMemBuffer(source);
-  FileID mainFileID = SourceMgr.createMainFileIDForMemBuffer(buf);
+  SourceMgr.createMainFileIDForMemBuffer(buf);
 
   VoidModuleLoader ModLoader;
   HeaderSearch HeaderInfo(FileMgr, Diags, LangOpts);