With flag optimize-constructed-arrays on, ARM and MIPS suffered a performance degrade

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 48e7e2b8c6d58fd12d6ac3698f4987aa0196a4c9..fe33478f74ab4a66a4425b4565f6807ef5379c08 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -5158,6 +5158,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
   __ bind(&megamorphic);
   __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
   __ sw(at, FieldMemOperand(a2, JSGlobalPropertyCell::kValueOffset));
+  __ jmp(&done);
 
   // An uninitialized cache is patched with the function or sentinel to
   // indicate the ElementsKind if function is the Array constructor.