Add CMN instruction to ARM integrated assembler.

src/DartARM32/assembler_arm.h

Index: src/DartARM32/assembler_arm.h
diff --git a/src/DartARM32/assembler_arm.h b/src/DartARM32/assembler_arm.h
index 2fd5e6e34afea2d6ccb52e2fc917687870803226..2ded00df9c9d79aab8e6f8938d3a88001d6ad09c 100644
--- a/src/DartARM32/assembler_arm.h
+++ b/src/DartARM32/assembler_arm.h
@@ -491,11 +491,10 @@ class Assembler : public ValueObject {
 #if 0
   // Moved to ARM32::AssemblerARM32::cmp()
   void cmp(Register rn, Operand o, Condition cond = AL);
-#endif
 
+  // Moved to ARM32::AssemblerARM32::cmn()
   void cmn(Register rn, Operand o, Condition cond = AL);
 
-#if 0
   // Moved to ARM32::IceAssemblerARM32::orr().
   void orr(Register rd, Register rn, Operand o, Condition cond = AL);
   void orrs(Register rd, Register rn, Operand o, Condition cond = AL);