do not offset jump from OP_ENTER if no optional argument given

2eeaab4e · Yukihiro Matsumoto · 3fb20bc7 · 2eeaab4e
Commit 2eeaab4e authored Jun 14, 2012 by Yukihiro Matsumoto
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src/vm.c src/vm.c +3 -1

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--- a/src/vm.c
+++ b/src/vm.c
@@ -971,6 +971,8 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
        if (r) {                  /* r */
          regs[m1+o+1] = mrb_ary_new_capa(mrb, 0);
        }
+	if (o == 0) pc++;
+	else
 	  pc += argc - m1 - m2 + 1;
      }
      else {