Don't use 'iinc' instruction on byte/short/char variables

Android run-time verifier complains when there's any possibility that a
byte/short/char local variable could contain a value not fitting into the
type's limits.

compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java

@@ -3339,6 +3339,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest("compiler/testData/codegen/box/primitiveTypes/ea35963.kt");
         }
         
+        @TestMetadata("incrementByteCharShort.kt")
+        public void testIncrementByteCharShort() throws Exception {
+            doTest("compiler/testData/codegen/box/primitiveTypes/incrementByteCharShort.kt");
+        }
+        
         @TestMetadata("intLiteralIsNotNull.kt")
         public void testIntLiteralIsNotNull() throws Exception {
             doTest("compiler/testData/codegen/box/primitiveTypes/intLiteralIsNotNull.kt");