Add the for statement back into the set of things the...

src/fast-codegen.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 402 matching lines @@
   StackCheckStub stack_stub;
   __ CallStub(&stack_stub);
   __ jmp(&stack_check_success);
 
   __ bind(loop_statement.break_target());
   decrement_loop_depth();
 }
 
 
 void FastCodeGenerator::VisitForStatement(ForStatement* stmt) {
-  UNREACHABLE();
+  Comment cmnt(masm_, "[ ForStatement");
+  SetStatementPosition(stmt);
+  Label test, body, stack_limit_hit, stack_check_success;
+
+  Iteration loop_statement(this, stmt);
+  if (stmt->init() != NULL) {
+    Visit(stmt->init());
+  }
+
+  increment_loop_depth();
+  // Emit the test at the bottom of the loop (even if empty).
+  __ jmp(&test);
+
+  __ bind(&body);
+  Visit(stmt->body());
+
+  __ bind(loop_statement.continue_target());
+
+  SetStatementPosition(stmt);
+  if (stmt->next() != NULL) {
+    Visit(stmt->next());
+  }
+
+  __ bind(&test);
+
+  // Check stack before looping.
+  __ StackLimitCheck(&stack_limit_hit);
+  __ bind(&stack_check_success);
+
+  if (stmt->cond() != NULL) {
+    VisitForControl(stmt->cond(), &body, loop_statement.break_target());
+  } else {
+    __ jmp(&body);
+  }
+
+  __ bind(&stack_limit_hit);
+  StackCheckStub stack_stub;
+  __ CallStub(&stack_stub);
+  __ jmp(&stack_check_success);
+
+  __ bind(loop_statement.break_target());
+  decrement_loop_depth();
 }
 
 
 void FastCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
   UNREACHABLE();
 }
 
 
 void FastCodeGenerator::VisitTryCatchStatement(TryCatchStatement* stmt) {
   Comment cmnt(masm_, "[ TryCatchStatement");
@@ skipping 264 matching lines @@
   __ Drop(stack_depth);
   __ PopTryHandler();
   return 0;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal