[strong] Remove all remainders of strong mode

src/mips64/builtins-mips64.cc

Index: src/mips64/builtins-mips64.cc
diff --git a/src/mips64/builtins-mips64.cc b/src/mips64/builtins-mips64.cc
index 1d8d5d35990e76cb26e86895a6f11190046bbb70..88a3c509e0f55e3870f103814731395839ac2e80 100644
--- a/src/mips64/builtins-mips64.cc
+++ b/src/mips64/builtins-mips64.cc
@@ -2549,27 +2549,6 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
 
   {  // Too few parameters: Actual < expected.
     __ bind(&too_few);
-
-    // If the function is strong we need to throw an error.
-    Label no_strong_error;
-    __ ld(a4, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
-    __ lbu(a5, FieldMemOperand(a4, SharedFunctionInfo::kStrongModeByteOffset));
-    __ And(a5, a5, Operand(1 << SharedFunctionInfo::kStrongModeBitWithinByte));
-    __ Branch(&no_strong_error, eq, a5, Operand(zero_reg));
-
-    // What we really care about is the required number of arguments.
-    DCHECK_EQ(kPointerSize, kInt64Size);
-    __ lw(a5, FieldMemOperand(a4, SharedFunctionInfo::kLengthOffset));
-    __ srl(a5, a5, 1);
-    __ Branch(&no_strong_error, ge, a0, Operand(a5));
-
-    {
-      FrameScope frame(masm, StackFrame::MANUAL);
-      EnterArgumentsAdaptorFrame(masm);
-      __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments);
-    }
-
-    __ bind(&no_strong_error);
     EnterArgumentsAdaptorFrame(masm);
     ArgumentAdaptorStackCheck(masm, &stack_overflow);