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/IPO/ExtractFunction.cpp b/lib/Transforms/IPO/ExtractFunction.cpp
index 8d6af41..ed22465 100644
--- a/lib/Transforms/IPO/ExtractFunction.cpp
+++ b/lib/Transforms/IPO/ExtractFunction.cpp
@@ -31,8 +31,8 @@
     /// specified function. Otherwise, it deletes as much of the module as
     /// possible, except for the function specified.
     ///
-    FunctionExtractorPass(Function *F = 0, bool deleteFn = true,
-                          bool relinkCallees = false)
+    explicit FunctionExtractorPass(Function *F = 0, bool deleteFn = true,
+                                   bool relinkCallees = false)
       : ModulePass((intptr_t)&ID), Named(F), deleteFunc(deleteFn), 
       reLink(relinkCallees) {}