More explicit keywords.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 64c60ba..5bea783 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -145,7 +145,7 @@
 
   public:
     static char ID; // Pass ID, replacement for typeid
-    LoopStrengthReduce(const TargetLowering *tli = NULL) : 
+    explicit LoopStrengthReduce(const TargetLowering *tli = NULL) : 
       LoopPass((intptr_t)&ID), TLI(tli) {
     }