diff -r 3aadb133632d -r a9fdcb71d252 src/HOL/MicroJava/BV/JVM.thy
--- a/src/HOL/MicroJava/BV/JVM.thy	Tue Feb 26 13:47:19 2002 +0100
+++ b/src/HOL/MicroJava/BV/JVM.thy	Tue Feb 26 15:45:32 2002 +0100
@@ -107,14 +107,14 @@
   apply clarsimp
   apply (erule disjE)
    apply (fastsimp dest: field_fields fields_is_type)
-  apply simp
+  apply (simp add: match_some_entry split: split_if_asm)
   apply (rule_tac x=1 in exI)
   apply fastsimp
 
   apply clarsimp
   apply (erule disjE)
    apply fastsimp
-  apply simp
+  apply (simp add: match_some_entry split: split_if_asm)
   apply (rule_tac x=1 in exI)
   apply fastsimp