Revert "MIPS: Reland r20974: Unify and simplify the FastCloneShallowArrayStub."

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index baa813ae0ef9417a87ef28268e57498e73daabdf..c51f9bc038a61e75ef10329e18d6cf132519a090 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -1821,7 +1821,17 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     __ Push(a3, a2, a1, a0);
     __ CallRuntime(Runtime::kHiddenCreateArrayLiteral, 4);
   } else {
-    FastCloneShallowArrayStub stub(isolate(), allocation_site_mode);
+    ASSERT(IsFastSmiOrObjectElementsKind(constant_elements_kind) ||
+           FLAG_smi_only_arrays);
+    FastCloneShallowArrayStub::Mode mode =
+        FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS;
+
+    if (has_fast_elements) {
+      mode = FastCloneShallowArrayStub::CLONE_ELEMENTS;
+    }
+
+    FastCloneShallowArrayStub stub(isolate(), mode, allocation_site_mode,
+                                   length);
     __ CallStub(&stub);
   }