[v8-dev] Make constructors explicit. (issue 9368026)

[rossberg]

Reviewers: Jakob,

Description:
Make constructors explicit.

R=jkumme...@chromium.org
BUG=
TEST=


Please review this at https://chromiumcodereview.appspot.com/9368026/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files:
  M src/ast.h


Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index  
48fb823c41b7dad0cddbc8893603a0a1e2de382c..7f812326fae0fb6acebe987da8783ad7cb88491c  
100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -542,7 +542,7 @@ class ModuleLiteral: public Module {
  protected:
   template<class> friend class AstNodeFactory;

-  ModuleLiteral(Block* body)
+  explicit ModuleLiteral(Block* body)
       : body_(body) {
   }

@@ -560,7 +560,7 @@ class ModuleVariable: public Module {
  protected:
   template<class> friend class AstNodeFactory;

-  ModuleVariable(Variable* var)
+  explicit ModuleVariable(Variable* var)
       : var_(var) {
   }

@@ -599,7 +599,7 @@ class ModuleUrl: public Module {
  protected:
   template<class> friend class AstNodeFactory;

-  ModuleUrl(Handle<String> url) : url_(url) {
+  explicit ModuleUrl(Handle<String> url) : url_(url) {
   }

  private:


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