Prevent warning when built with assert off.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112680 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Lex/LiteralSupport.cpp b/lib/Lex/LiteralSupport.cpp
index c758b40032567c6265b936b64287889ffca582f8..fb543d0f03b3d24626886b0a0113698ea8d53879 100644 (file)
--- a/lib/Lex/LiteralSupport.cpp
+++ b/lib/Lex/LiteralSupport.cpp
@@ -217,6 +217,7 @@ static void ProcessUCNEscape(const char *&ThisTokBuf, const char *ThisTokEnd,
     return;
   }
   if (wide) {
+    (void)UcnLenSave;
     assert(UcnLenSave == 4 && 
            "ProcessUCNEscape - only ucn length of 4 supported");
     // little endian assumed.