Revert "Avoid creating weak cells for literal arrays that are empty of literals."

src/builtins/mips64/builtins-mips64.cc

Index: src/builtins/mips64/builtins-mips64.cc
diff --git a/src/builtins/mips64/builtins-mips64.cc b/src/builtins/mips64/builtins-mips64.cc
index 9680dbdbf56dab47131cfb1fb978f9da39cbb737..b1d6dcfc8df729a8185fd3c0d1f8fec888dbb7e7 100644
--- a/src/builtins/mips64/builtins-mips64.cc
+++ b/src/builtins/mips64/builtins-mips64.cc
@@ -1313,27 +1313,13 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
                               SharedFunctionInfo::kOffsetToPreviousOsrAstId));
   const int bailout_id = BailoutId::None().ToInt();
   __ Branch(&loop_bottom, ne, temp, Operand(Smi::FromInt(bailout_id)));
-
   // Literals available?
-  Label got_literals, maybe_cleared_weakcell;
   __ ld(temp, FieldMemOperand(array_pointer,
                               SharedFunctionInfo::kOffsetToPreviousLiterals));
-  // temp contains either a WeakCell pointing to the literals array or the
-  // literals array directly.
-  __ ld(a4, FieldMemOperand(temp, WeakCell::kValueOffset));
-  __ JumpIfSmi(a4, &maybe_cleared_weakcell);
-  // a4 is a pointer, therefore temp is a WeakCell pointing to a literals array.
   __ ld(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
-  __ jmp(&got_literals);
-
-  // a4 is a smi. If it's 0, then we are looking at a cleared WeakCell
-  // around the literals array, and we should visit the runtime. If it's > 0,
-  // then temp already contains the literals array.
-  __ bind(&maybe_cleared_weakcell);
-  __ Branch(&gotta_call_runtime, eq, a4, Operand(Smi::FromInt(0)));
+  __ JumpIfSmi(temp, &gotta_call_runtime);
 
   // Save the literals in the closure.
-  __ bind(&got_literals);
   __ ld(a4, MemOperand(sp, 0));
   __ sd(temp, FieldMemOperand(a4, JSFunction::kLiteralsOffset));
   __ push(index);