More explicit keywords.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/IPA/CallGraphSCCPass.cpp b/lib/Analysis/IPA/CallGraphSCCPass.cpp
index 786b720..e28a2a5 100644
--- a/lib/Analysis/IPA/CallGraphSCCPass.cpp
+++ b/lib/Analysis/IPA/CallGraphSCCPass.cpp
@@ -31,7 +31,7 @@
 
 public:
   static char ID;
-  CGPassManager(int Depth) 
+  explicit CGPassManager(int Depth) 
     : ModulePass((intptr_t)&ID), PMDataManager(Depth) { }
 
   /// run - Execute all of the passes scheduled for execution.  Keep track of