Check env context before jump from OP_RETURN; fix #3673

ef115848 · Yukihiro "Matz" Matsumoto · 27a5e104 · ef115848
Commit ef115848 authored May 30, 2017 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
@@ -1821,7 +1821,7 @@ RETRY_TRY_BLOCK:
            struct REnv *e = top_env(mrb, proc);
            mrb_callinfo *ce;

-            if (!MRB_ENV_STACK_SHARED_P(e)) {
+            if (!MRB_ENV_STACK_SHARED_P(e) || e->cxt.c != mrb->c) {
              localjump_error(mrb, LOCALJUMP_ERROR_RETURN);
              goto L_RAISE;
            }