Support empty statements in the fast compiler.

Review URL: http://codereview.chromium.org/313003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3102 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/compiler.cc

@@ -526,7 +526,7 @@ void CodeGenSelector::VisitExpressionStatement(ExpressionStatement* stmt) {
 
 
 void CodeGenSelector::VisitEmptyStatement(EmptyStatement* stmt) {
-  BAILOUT("EmptyStatement");
+  // EmptyStatement is supported.
 }
 
 

src/fast-codegen.cc

@@ -192,7 +192,8 @@ void FastCodeGenerator::VisitDeclaration(Declaration* decl) {
 
 
 void FastCodeGenerator::VisitEmptyStatement(EmptyStatement* stmt) {
-  UNREACHABLE();
+  Comment cmnt(masm_, "[ EmptyStatement");
+  SetStatementPosition(stmt);
 }