Eliminate another debugger stub

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 1819 matching lines @@
   // Preserve arguments descriptor and make room for result.
   __ PushList((1 << R0) | (1 << R4) | (1 << R5));
   __ CallRuntime(kBreakpointRuntimeHandlerRuntimeEntry, 0);
   __ PopList((1 << R0) | (1 << R4) | (1 << R5));
   __ LeaveStubFrame();
   __ bx(R0);
 }
 
 
 //  LR: return address (Dart code).
-//  R5: IC data (unoptimized static call).
-void StubCode::GenerateBreakpointStaticStub(Assembler* assembler) {
-  // Create a stub frame as we are pushing some objects on the stack before
-  // calling into the runtime.
-  __ EnterStubFrame();
-  __ LoadImmediate(R0, reinterpret_cast<intptr_t>(Object::null()));
-  // Preserve arguments descriptor and make room for result.
-  __ PushList((1 << R0) | (1 << R5));
-  __ CallRuntime(kBreakpointStaticHandlerRuntimeEntry, 0);
-  // Pop code object result and restore arguments descriptor.
-  __ PopList((1 << R0) | (1 << R5));
-  __ LeaveStubFrame();
-
-  // Now call the static function. The breakpoint handler function
-  // ensures that the call target is compiled.
-  __ ldr(R0, FieldAddress(R0, Code::instructions_offset()));
-  __ AddImmediate(R0, Instructions::HeaderSize() - kHeapObjectTag);
-  // Load arguments descriptor into R4.
-  __ ldr(R4, FieldAddress(R5, ICData::arguments_descriptor_offset()));
-  __ bx(R0);
-}
-
-
-//  LR: return address (Dart code).
 //  R5: inline cache data array.
 void StubCode::GenerateBreakpointDynamicStub(Assembler* assembler) {
   // Create a stub frame as we are pushing some objects on the stack before
   // calling into the runtime.
   __ EnterStubFrame();
   __ Push(R5);
   __ CallRuntime(kBreakpointDynamicHandlerRuntimeEntry, 0);
   __ Pop(R5);
   __ LeaveStubFrame();
 
@@ skipping 293 matching lines @@
   const Register right = R0;
   __ ldr(left, Address(SP, 1 * kWordSize));
   __ ldr(right, Address(SP, 0 * kWordSize));
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM