Use a different map to distinguish eval contexts

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 95 matching lines @@
   V(Inc)                                      \
   V(InternalArrayNoArgumentConstructor)       \
   V(InternalArraySingleArgumentConstructor)   \
   V(Dec)                                      \
   V(ElementsTransitionAndStore)               \
   V(FastCloneRegExp)                          \
   V(FastCloneShallowArray)                    \
   V(FastCloneShallowObject)                   \
   V(FastNewClosure)                           \
   V(FastNewFunctionContext)                   \
+  V(FastNewEvalContext)                       \
   V(KeyedLoadSloppyArguments)                 \
   V(KeyedStoreSloppyArguments)                \
   V(LoadScriptContextField)                   \
   V(StoreScriptContextField)                  \
   V(NumberToString)                           \
   V(StringAdd)                                \
   V(GetProperty)                              \
   V(LoadIC)                                   \
   V(KeyedLoadICTF)                            \
   V(StoreFastElement)                         \
@@ skipping 732 matching lines @@
  private:
   // FastNewFunctionContextStub can only allocate closures which fit in the
   // new space.
   STATIC_ASSERT(((kMaximumSlots + Context::MIN_CONTEXT_SLOTS) * kPointerSize +
                  FixedArray::kHeaderSize) < kMaxRegularHeapObjectSize);
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewFunctionContext);
   DEFINE_TURBOFAN_CODE_STUB(FastNewFunctionContext, TurboFanCodeStub);
 };
 
+class FastNewEvalContextStub final : public TurboFanCodeStub {
+ public:
+  static const int kMaximumSlots = 0x8000;
+
+  explicit FastNewEvalContextStub(Isolate* isolate)
+      : TurboFanCodeStub(isolate) {}
+
+  static compiler::Node* Generate(CodeStubAssembler* assembler,
+                                  compiler::Node* function,
+                                  compiler::Node* slots,
+                                  compiler::Node* context);
+
+ private:
+  // FastNewEvalContextStub can only allocate closures which fit in the
+  // new space.
+  STATIC_ASSERT(((kMaximumSlots + Context::MIN_CONTEXT_SLOTS) * kPointerSize +
+                 FixedArray::kHeaderSize) < kMaxRegularHeapObjectSize);
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewEvalContext);
+  DEFINE_TURBOFAN_CODE_STUB(FastNewEvalContext, TurboFanCodeStub);
+};
 
 class FastNewObjectStub final : public PlatformCodeStub {
  public:
   explicit FastNewObjectStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewObject);
   DEFINE_PLATFORM_CODE_STUB(FastNewObject, PlatformCodeStub);
 };
 
 
@@ skipping 1841 matching lines @@
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_