| r0 ≠ jvmref, st[r0 -- _type] .type ≤ ty, junkrefs(str, r0 ' + r ', ty, st -- r) ⊦ r = r0, junkref(str, r0, st), validrefs(str, r0 ' + r ', ty, st) |
junkrefs(str, r0 ' + r ', ty, st -- r), st[r0 -- _type] .type ≤ ty ⊦ r0 = jvmref, r = r0, validrefs(str, r0 ' + r ', ty, st), junkref(str, r0, st)
[[CONCRETESIMPRULES : ()]]