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

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 6e033b9468a59d83a4b97ee0e27677c68adef7c0..a746d76f95b9d84da5ba647dbf01be84587c57b5 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -59,11 +59,6 @@ void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
   static Register registers[] = { a3, a2, a1 };
   descriptor->register_param_count_ = 3;
   descriptor->register_params_ = registers;
-  static Representation representations[] = {
-    Representation::Tagged(),
-    Representation::Smi(),
-    Representation::Tagged() };
-  descriptor->register_param_representations_ = representations;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(
           Runtime::kHiddenCreateArrayLiteralStubBailout)->entry;
@@ -207,11 +202,6 @@ static void InitializeArrayConstructorDescriptor(
     descriptor->stack_parameter_count_ = a0;
     descriptor->register_param_count_ = 3;
     descriptor->register_params_ = registers_variable_args;
-    static Representation representations[] = {
-        Representation::Tagged(),
-        Representation::Tagged(),
-        Representation::Integer32() };
-    descriptor->register_param_representations_ = representations;
   }
 
   descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
@@ -239,10 +229,6 @@ static void InitializeInternalArrayConstructorDescriptor(
     descriptor->stack_parameter_count_ = a0;
     descriptor->register_param_count_ = 2;
     descriptor->register_params_ = registers_variable_args;
-    static Representation representations[] = {
-        Representation::Tagged(),
-        Representation::Integer32() };
-    descriptor->register_param_representations_ = representations;
   }
 
   descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;