Cleanup: remove argument descriptor parameter when calling inline cache miss handler.

runtime/vm/stub_code_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 1450 matching lines @@
   __ EnterStubFrame();
   __ LoadImmediate(R0, reinterpret_cast<intptr_t>(Object::null()));
   // Preserve IC data object and arguments descriptor array and
   // setup space on stack for result (target code object).
   __ PushList((1 << R0) | (1 << R4) | (1 << R5));
   // Push call arguments.
   for (intptr_t i = 0; i < num_args; i++) {
     __ LoadFromOffset(kWord, IP, R7, -i * kWordSize);
     __ Push(IP);
   }
-  // Pass IC data object and arguments descriptor array.
-  __ PushList((1 << R4) | (1 << R5));
+  // Pass IC data object.
+  __ Push(R5);
 
   if (num_args == 1) {
     __ CallRuntime(kInlineCacheMissHandlerOneArgRuntimeEntry);
   } else if (num_args == 2) {
     __ CallRuntime(kInlineCacheMissHandlerTwoArgsRuntimeEntry);
   } else if (num_args == 3) {
     __ CallRuntime(kInlineCacheMissHandlerThreeArgsRuntimeEntry);
   } else {
     UNIMPLEMENTED();
   }
-  // Remove the call arguments pushed earlier, including the IC data object
-  // and the arguments descriptor array.
-  __ Drop(num_args + 2);
+  // Remove the call arguments pushed earlier, including the IC data object.
+  __ Drop(num_args + 1);
   // Pop returned code object into R0 (null if not found).
   // Restore arguments descriptor array and IC data array.
   __ PopList((1 << R0) | (1 << R4) | (1 << R5));
   __ LeaveStubFrame();
   Label call_target_function;
   __ CompareImmediate(R0, reinterpret_cast<intptr_t>(Object::null()));
   __ b(&call_target_function, NE);
   // NoSuchMethod or closure.
   // Mark IC call that it may be a closure call that does not collect
   // type feedback.
@@ skipping 595 matching lines @@
   __ ldr(left, Address(SP, 4 * kWordSize));
   __ ldr(right, Address(SP, 3 * kWordSize));
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
   __ PopList((1 << R0) | (1 << R1) | (1 << R2));
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM