WIP: Register allocator crash repro.

src/code-stubs.h

 // Copyright 2012 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 85 matching lines @@
   V(AllocateUint32x4)                       \
   V(AllocateBool32x4)                       \
   V(AllocateInt16x8)                        \
   V(AllocateUint16x8)                       \
   V(AllocateBool16x8)                       \
   V(AllocateInt8x16)                        \
   V(AllocateUint8x16)                       \
   V(AllocateBool8x16)                       \
   V(ArrayNoArgumentConstructor)             \
   V(ArraySingleArgumentConstructor)         \
+  V(Boom)                                   \
   V(StringLength)                           \
   V(Add)                                    \
   V(Subtract)                               \
   V(Multiply)                               \
   V(Divide)                                 \
   V(Modulus)                                \
   V(ShiftRight)                             \
   V(ShiftRightLogical)                      \
   V(ShiftLeft)                              \
   V(BitwiseAnd)                             \
@@ skipping 857 matching lines @@
       : TurboFanCodeStub(isolate) {}
 
   Code::Kind GetCodeKind() const override { return Code::HANDLER; }
   ExtraICState GetExtraICState() const override { return Code::KEYED_LOAD_IC; }
   InlineCacheState GetICState() const override { return MONOMORPHIC; }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector);
   DEFINE_TURBOFAN_CODE_STUB(LoadIndexedInterceptor, TurboFanCodeStub);
 };
 
+class BoomStub : public TurboFanCodeStub {
+ public:
+  explicit BoomStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  static void GenerateAheadOfTime(Isolate* isolate);
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Void);
+  DEFINE_TURBOFAN_CODE_STUB(Boom, TurboFanCodeStub);
+};
+
 // ES6 section 12.10.3 "in" operator evaluation.
 class HasPropertyStub : public TurboFanCodeStub {
  public:
   explicit HasPropertyStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(HasProperty);
   DEFINE_TURBOFAN_BINARY_OP_CODE_STUB(HasProperty, TurboFanCodeStub);
 };
 
 enum StringAddFlags {
@@ skipping 2253 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_