[turbofan] Mark {JSCreate} as potentially throwing.

test/unittests/compiler/js-operator-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/compiler/js-operator.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/compiler/operator-properties.h"
 #include "test/unittests/test-utils.h"
 
@@ skipping 26 matching lines @@
   {                                                                          \
     &JSOperatorBuilder::Name, IrOpcode::kJS##Name, properties,               \
         value_input_count, frame_state_input_count, effect_input_count,      \
         control_input_count, value_output_count, effect_output_count,        \
         control_output_count                                                 \
   }
     SHARED(ToNumber, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
     SHARED(ToString, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
     SHARED(ToName, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
     SHARED(ToObject, Operator::kFoldable, 1, 1, 1, 1, 1, 1, 2),
-    SHARED(Create, Operator::kEliminatable, 2, 1, 1, 0, 1, 1, 0),
+    SHARED(Create, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
     SHARED(TypeOf, Operator::kPure, 1, 0, 0, 0, 1, 0, 0),
 #undef SHARED
 };
 
 
 std::ostream& operator<<(std::ostream& os, const SharedOperator& sop) {
   return os << IrOpcode::Mnemonic(sop.opcode);
 }
 
 }  // namespace
@@ skipping 50 matching lines @@
   EXPECT_EQ(sop.properties, op->properties());
 }
 
 
 INSTANTIATE_TEST_CASE_P(JSOperatorTest, JSSharedOperatorTest,
                         ::testing::ValuesIn(kSharedOperators));
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8