[interpreter] Add CreateCatchContext bytecode

test/unittests/interpreter/bytecode-array-builder-unittest.cc

 // Copyright 2014 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.
 
 #include "src/v8.h"
 
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecode-label.h"
 #include "src/interpreter/bytecode-register-allocator.h"
@@ skipping 86 matching lines @@
   builder.LoadLookupSlot(name, TypeofMode::NOT_INSIDE_TYPEOF)
       .LoadLookupSlot(name, TypeofMode::INSIDE_TYPEOF)
       .StoreLookupSlot(name, LanguageMode::SLOPPY)
       .StoreLookupSlot(name, LanguageMode::STRICT);
 
   // Emit closure operations.
   builder.CreateClosure(0, NOT_TENURED);
 
   builder.CreateBlockContext(factory->NewScopeInfo(1));
 
   // Emit create context operation.

[rmcilroy, 2016/08/18 15:39:11]

nit - move comment to operation above, and group the context creation calls
(including CreateWithContext)

[klaasb, 2016/08/18 16:25:40]

Done.

   builder.CreateFunctionContext(1);
 
+  builder.CreateCatchContext(reg, name);
+
   // Emit literal creation operations.
   builder.CreateRegExpLiteral(factory->NewStringFromStaticChars("a"), 0, 0)
       .CreateArrayLiteral(factory->NewFixedArray(1), 0, 0)
       .CreateObjectLiteral(factory->NewFixedArray(1), 0, 0, reg);
 
   // Call operations.
   builder.Call(reg, other, 0, 1)
       .Call(reg, wide, 0, 1)
       .TailCall(reg, other, 0, 1)
       .TailCall(reg, wide, 0, 1)
@@ skipping 733 matching lines @@
     iterator.Advance();
   }
   CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn);
   iterator.Advance();
   CHECK(iterator.done());
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8