Add a smaller jsr test

This one is build from raw assembly and checks that the
generated cfg (or at least, its nodes) matches expectations.

Author: smowton

regression/cbmc-java/jsr2/test.class

@@ -0,0 +1,13 @@
+CORE
+test.class
+--show-goto-functions
+^EXIT=0$
+^SIGNAL=0$
+Labels: pc3
+Labels: pc6
+Labels: pc9
+Labels: pc12
+Labels: pc13
+--
+\\"statement\\" (\\"jsr\\")
+\\"statement\\" (\\"ret\\")

regression/cbmc-java/jsr2/test.desc

@@ -0,0 +1,28 @@
+; This is Jasmin assembler syntax-- see http://jasmin.sourceforge.net/guide.html or apt-get install jasmin-sable
+
+.class public test
+.super java/lang/Object
+
+; standard initializer
+.method public <init>()V
+   aload_0
+   invokenonvirtual java/lang/Object/<init>()V
+   return
+.end method
+
+.method public static main()V
+   .limit locals 4
+   .limit stack 1
+  goto          runsrs
+sr1:
+  astore_0
+  ret           0
+runsrs:
+  jsr           sr1
+  jsr           sr2
+  return
+sr2:
+  astore_3
+  ret           3
+.end method
+