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Diffstat (limited to 'vm_backtrace.c')
-rw-r--r--vm_backtrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/vm_backtrace.c b/vm_backtrace.c
index a87cbc9fb2..de429ab44e 100644
--- a/vm_backtrace.c
+++ b/vm_backtrace.c
@@ -931,7 +931,7 @@ rb_debug_inspector_open(rb_debug_inspector_func_t func, void *data)
dbg_context.th = th;
dbg_context.cfp = dbg_context.th->cfp;
dbg_context.backtrace = vm_backtrace_location_ary(th, 0, 0);
- dbg_context.backtrace_size = RARRAY_LEN(dbg_context.backtrace);
+ dbg_context.backtrace_size = RARRAY_LENINT(dbg_context.backtrace);
dbg_context.contexts = collect_caller_bindings(th);
TH_PUSH_TAG(th);