silence a bogus gcc warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41949 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 8393a15..0343635 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -7861,7 +7861,7 @@
       if (const ParamAttrsList *NestAttrs = NestFTy->getParamAttrs()) {
         unsigned NestIdx = 1;
         const Type *NestTy = 0;
-        uint16_t NestAttr;
+        uint16_t NestAttr = 0;
 
         Instruction *Caller = CS.getInstruction();