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Commit 3c18ec27 authored by Takeshi Watanabe's avatar Takeshi Watanabe
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Fix possible memory access error.

parent 6f1e1777
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src/gc.c
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...@@ -658,7 +658,7 @@ gc_mark_children(mrb_state *mrb, mrb_gc *gc, struct RBasic *obj) ...@@ -658,7 +658,7 @@ gc_mark_children(mrb_state *mrb, mrb_gc *gc, struct RBasic *obj)
struct REnv *e = (struct REnv*)obj; struct REnv *e = (struct REnv*)obj;
mrb_int i, len; mrb_int i, len;
if (MRB_ENV_STACK_SHARED_P(e) && e->cxt->fib) { if (MRB_ENV_STACK_SHARED_P(e) && e->cxt && e->cxt->fib) {
mrb_gc_mark(mrb, (struct RBasic*)e->cxt->fib); mrb_gc_mark(mrb, (struct RBasic*)e->cxt->fib);
} }
len = MRB_ENV_STACK_LEN(e); len = MRB_ENV_STACK_LEN(e);
......
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