[strong] Remove all remainders of strong mode

src/arm64/builtins-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 2536 matching lines @@
   }
 
   {  // Too few parameters: Actual < expected
     __ Bind(&too_few);
 
     Register copy_from = x10;
     Register copy_end = x11;
     Register copy_to = x12;
     Register scratch1 = x13, scratch2 = x14;
 
-    // If the function is strong we need to throw an error.
-    Label no_strong_error;
-    __ Ldr(scratch1,
-           FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
-    __ Ldr(scratch2.W(),
-           FieldMemOperand(scratch1, SharedFunctionInfo::kCompilerHintsOffset));
-    __ TestAndBranchIfAllClear(scratch2.W(),
-                               (1 << SharedFunctionInfo::kStrongModeFunction),
-                               &no_strong_error);
-
-    // What we really care about is the required number of arguments.
-    DCHECK_EQ(kPointerSize, kInt64Size);
-    __ Ldr(scratch2.W(),
-           FieldMemOperand(scratch1, SharedFunctionInfo::kLengthOffset));
-    __ Cmp(argc_actual, Operand(scratch2, LSR, 1));
-    __ B(ge, &no_strong_error);
-
-    {
-      FrameScope frame(masm, StackFrame::MANUAL);
-      EnterArgumentsAdaptorFrame(masm);
-      __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments);
-    }
-
-    __ Bind(&no_strong_error);
     EnterArgumentsAdaptorFrame(masm);
     ArgumentAdaptorStackCheck(masm, &stack_overflow);
 
     __ Lsl(scratch2, argc_expected, kPointerSizeLog2);
     __ Lsl(argc_actual, argc_actual, kPointerSizeLog2);
 
     // Adjust for fp, lr, and the receiver.
     __ Add(copy_from, fp, 3 * kPointerSize);
     __ Add(copy_from, copy_from, argc_actual);
     __ Mov(copy_to, jssp);
@@ skipping 62 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM