Ticket #1009: exit_null.patch

src/pmc/continuation.pmc

@@ -187 +187 @@
         cc->address    = pos;
         cc->runloop_id = INTERP->current_runloop_id;
 
-        if (pos && (*pos == PARROT_OP_get_results_pc))
+        if (pos && ((pos <= (cc->seg->base.data + cc->seg->base.size)) &&(*pos == PARROT_OP_get_results_pc)))
             cc->current_results = pos;
         else
             cc->current_results = NULL;

compilers/imcc/pcc.c

@@ -447 +447 @@
         IMCC_debug(interp, DEBUG_IMC, "add sub ret - %I\n", tmp);
         insert_ins(unit, unit->last_ins, tmp);
     }
-    else if (STREQ(unit->last_ins->opname, "exit")) {
-        /* C<exit> builds RetContinuation pointing to next op_code. So insert some */
-        Instruction *tmp = INS(interp, unit, "noop", NULL, regs, 0, 0, 0);
-        insert_ins(unit, unit->last_ins, tmp);
-    }
 }
 
 /*

t/compilers/imcc/imcpasm/opt0.t

@@ -86 +86 @@
 _test:
   noop
   exit 0
-  noop
 OUT
 
 ##############################