MIPS: Enable optimization of top-level code and generate deoptimization support lazily.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 34e1a8225d37a7a462cf35bd48b6968d0e511560..19c81b59fd03579a4bd6a86cc3f4fc72e56da60a 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2764,6 +2764,15 @@ void LCodeGen::DoOuterContext(LOuterContext* instr) {
 }
 
 
+void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
+  __ LoadHeapObject(scratch0(), instr->hydrogen()->pairs());
+  __ li(scratch1(), Operand(Smi::FromInt(instr->hydrogen()->flags())));
+  // The context is the first argument.
+  __ Push(cp, scratch0(), scratch1());
+  CallRuntime(Runtime::kDeclareGlobals, 3, instr);
+}
+
+
 void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());