Change lazy compilation stub to a builtin....

src/arm/builtins-arm.cc

Index: src/arm/builtins-arm.cc
===================================================================
--- src/arm/builtins-arm.cc	(revision 5236)
+++ src/arm/builtins-arm.cc	(working copy)
@@ -911,6 +911,29 @@
 }
 
 
+void Builtins::Generate_LazyCompile(MacroAssembler* masm) {
+  // Enter an internal frame.
+  __ EnterInternalFrame();
+
+  // Preserve the function.
+  __ push(r1);
+
+  // Push the function on the stack as the argument to the runtime function.
+  __ push(r1);
+  __ CallRuntime(Runtime::kLazyCompile, 1);
+  // Calculate the entry point.
+  __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
+  // Restore saved function.
+  __ pop(r1);
+
+  // Tear down temporary frame.
+  __ LeaveInternalFrame();
+
+  // Do a tail-call of the compiled function.
+  __ Jump(r2);
+}
+
+
 void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
   // 1. Make sure we have at least one argument.
   // r0: actual number of arguments