Fiber.new{break} caused SEGV

04eb577b · Yukihiro "Matz" Matsumoto · be0cc4f9 · 04eb577b
Commit 04eb577b authored Feb 05, 2014 by Yukihiro "Matz" Matsumoto
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src/vm.c src/vm.c +1 -1

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--- a/src/vm.c
+++ b/src/vm.c
@@ -1350,7 +1350,7 @@ mrb_context_run(mrb_state *mrb, struct RProc *proc, mrb_value self, unsigned int
          ci = mrb->c->ci;
          break;
        case OP_R_BREAK:
-          if (proc->env->cioff < 0) {
+          if (!proc->env || proc->env->cioff < 0) {
            localjump_error(mrb, LOCALJUMP_ERROR_BREAK);
            goto L_RAISE;
          }