SemaTemplateDeduction.cpp: Suppress a warning. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191648 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateDeduction.cpp b/lib/Sema/SemaTemplateDeduction.cpp
index ea06b0b..2c418ac 100644
--- a/lib/Sema/SemaTemplateDeduction.cpp
+++ b/lib/Sema/SemaTemplateDeduction.cpp
@@ -3806,7 +3806,7 @@
     FunctionTemplateDecl *InvokerTemplate = LambdaClass->
                     getLambdaStaticInvoker()->getDescribedFunctionTemplate();
 
-    TemplateDeductionResult Result
+    TemplateDeductionResult LLVM_ATTRIBUTE_UNUSED Result
       = FinishTemplateArgumentDeduction(InvokerTemplate, Deduced, 0, 
             InvokerSpecialization, Info);
     assert(Result == TDK_Success);