* src/vm/jit/stack.c (stack_analyse): Store vartop in jitdata.

* src/vm/jit/stack.c (stack_analyse): Store vartop in jitdata.

* src/vm/jit/show.c (show_method): Show number of variables.

* tests/regression/jasmin/test_many_dup2_x2.j: New test.
* tests/regression/jasmin/test_many_dup.j: Likewise.
* tests/regression/jasmin/test_many_dup_x2.j: Likewise.
* tests/regression/jasmin/test_many_swap.j: Likewise.
* tests/regression/jasmin/test_many_dup2.j: Likewise.
* tests/regression/jasmin/test_many_dup2_x1.j: Likewise.
* tests/regression/jasmin/test_many_dup_x1.j: Likewise.

* tests/regression/jasmin/Makefile.am: Added new tests.