Fix performance degradation in Havlak: prevent conflicting method recognizer kinds to be stored in …

runtime/vm/intrinsifier_arm64.cc

 // Copyright (c) 2014, 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"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intrinsifier.h"
 
 #include "vm/assembler.h"
@@ skipping 1188 matching lines @@
   __ fmuld(V0, V0, V1);
   const Class& double_class = Class::Handle(
       Isolate::Current()->object_store()->double_class());
   __ TryAllocate(double_class, &fall_through, R0, R1, kNoPP);
   __ StoreDFieldToOffset(V0, R0, Double::value_offset(), kNoPP);
   __ ret();
   __ Bind(&fall_through);
 }
 
 
-void Intrinsifier::Double_fromInteger(Assembler* assembler) {
+void Intrinsifier::DoubleFromInteger(Assembler* assembler) {
   Label fall_through;
 
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ tsti(R0, kSmiTagMask);
   __ b(&fall_through, NE);
   // Is Smi.
   __ SmiUntag(R0);
   __ scvtfd(V0, R0);
   const Class& double_class = Class::Handle(
       Isolate::Current()->object_store()->double_class());
@@ skipping 180 matching lines @@
   ASSERT(kSmiTagShift == 1);
   __ AddImmediate(R0, R0, TwoByteString::data_offset() - kHeapObjectTag, kNoPP);
   __ ldr(R0, Address(R0, R1), kUnsignedHalfword);
   __ SmiTag(R0);
   __ ret();
 
   __ Bind(&fall_through);
 }
 
 
-void Intrinsifier::StringBase_charAt(Assembler* assembler) {
+void Intrinsifier::StringBaseCharAt(Assembler* assembler) {
   Label fall_through, try_two_byte_string;
 
   __ ldr(R1, Address(SP, 0 * kWordSize));  // Index.
   __ ldr(R0, Address(SP, 1 * kWordSize));  // String.
   __ tsti(R1, kSmiTagMask);
   __ b(&fall_through, NE);  // Index is not a Smi.
   // Range check.
   __ ldr(R2, FieldAddress(R0, String::length_offset()));
   __ cmp(R1, Operand(R2));
   __ b(&fall_through, CS);  // Runtime throws exception.
@@ skipping 373 matching lines @@
   Isolate* isolate = Isolate::Current();
   __ LoadImmediate(R1, reinterpret_cast<uword>(isolate), kNoPP);
   // Set return value to Isolate::current_tag_.
   __ ldr(R0, Address(R1, Isolate::current_tag_offset()));
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64