A64: Synchronize with r16024.

src/a64/ic-a64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 653 matching lines @@
   __ Bind(&do_call);
   // Live values:
   //  x1: function
   //  x2: key
   // GenerateFunctionTailCall requires that function is x1. This is enforced by
   // MacroAssembler::InvokeFunction.
   GenerateFunctionTailCall(masm, argc, &slow_call, function, x10);
 
   // It should not be possible for execution to fall through a tail call.
   if (__ emit_debug_code()) {
-    __ Abort("Unreachable code.");
+    __ Unreachable();
   }
 
   __ Bind(&not_fast_array);
   // Check whether the elements is a number dictionary.
   // Live values:
   //  x1: receiver
   //  x2: key
   //  x3: elements map
   //  x4: elements
   __ JumpIfNotRoot(elements_map, Heap::kHashTableMapRootIndex, &slow_load);
@@ skipping 1111 matching lines @@
     ASSERT(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64