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/Utils/LowerInvoke.cpp b/lib/Transforms/Utils/LowerInvoke.cpp
index 551ca7f..ba03635 100644
--- a/lib/Transforms/Utils/LowerInvoke.cpp
+++ b/lib/Transforms/Utils/LowerInvoke.cpp
@@ -76,8 +76,8 @@
     
   public:
     static char ID; // Pass identification, replacement for typeid
-    LowerInvoke(const TargetLowering *tli = NULL) : FunctionPass((intptr_t)&ID),
-      TLI(tli) { }
+    explicit LowerInvoke(const TargetLowering *tli = NULL)
+      : FunctionPass((intptr_t)&ID), TLI(tli) { }
     bool doInitialization(Module &M);
     bool runOnFunction(Function &F);