Merged: Don't call FastNewFunctionContextStub if context is bigger than kMaxRegularHeapObjectSize.

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 917474ae882fb1c0dbcbca6e1cb71b1ca2a2d492..67598d0a2511983ec6b30ade1d077e37baab901e 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -194,11 +194,17 @@ void FullCodeGenerator::Generate() {
       if (info->scope()->new_target_var() != nullptr) {
         __ push(a3);  // Preserve new target.
       }
-      FastNewFunctionContextStub stub(isolate());
-      __ li(FastNewFunctionContextDescriptor::SlotsRegister(), Operand(slots));
-      __ CallStub(&stub);
-      // Result of FastNewFunctionContextStub is always in new space.
-      need_write_barrier = false;
+      if (slots <= FastNewFunctionContextStub::kMaximumSlots) {
+        FastNewFunctionContextStub stub(isolate());
+        __ li(FastNewFunctionContextDescriptor::SlotsRegister(),
+              Operand(slots));
+        __ CallStub(&stub);
+        // Result of FastNewFunctionContextStub is always in new space.
+        need_write_barrier = false;
+      } else {
+        __ push(a1);
+        __ CallRuntime(Runtime::kNewFunctionContext);
+      }
       if (info->scope()->new_target_var() != nullptr) {
         __ pop(a3);  // Restore new target.
       }