
diff -r 25af24e1f37b -r 180f1b3508ed src/HOL/MicroJava/JVM/JVMInstructions.thy
--- a/src/HOL/MicroJava/JVM/JVMInstructions.thy	Tue Sep 09 17:51:07 2014 +0200
+++ b/src/HOL/MicroJava/JVM/JVMInstructions.thy	Tue Sep 09 20:51:36 2014 +0200
@@ -8,7 +8,7 @@
 theory JVMInstructions imports JVMState begin
 
 
-datatype 
+datatype_new 
   instr = Load nat                  -- "load from local variable"
         | Store nat                 -- "store into local variable"
         | LitPush val               -- "push a literal (constant)"




