[turbofan] Add Int32AddWithOverflow machine operator.

src/compiler/opcodes.h

 // Copyright 2013 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_COMPILER_OPCODES_H_
 #define V8_COMPILER_OPCODES_H_
 
 // Opcodes for control operators.
 #define CONTROL_OP_LIST(V) \
   V(Start)                 \
@@ skipping 155 matching lines @@
   V(Word32Sar)              \
   V(Word32Equal)            \
   V(Word64And)              \
   V(Word64Or)               \
   V(Word64Xor)              \
   V(Word64Shl)              \
   V(Word64Shr)              \
   V(Word64Sar)              \
   V(Word64Equal)            \
   V(Int32Add)               \
+  V(Int32AddWithOverflow)   \
   V(Int32Sub)               \
   V(Int32Mul)               \
   V(Int32Div)               \
   V(Int32UDiv)              \
   V(Int32Mod)               \
   V(Int32UMod)              \
   V(Int32LessThan)          \
   V(Int32LessThanOrEqual)   \
   V(Uint32LessThan)         \
   V(Uint32LessThanOrEqual)  \
@@ skipping 99 matching lines @@
         return false;
     }
   }
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_