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-rw-r--r--eval_error.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/eval_error.c b/eval_error.c
index a2e95a759f..dc9e99d4f5 100644
--- a/eval_error.c
+++ b/eval_error.c
@@ -55,13 +55,15 @@ rb_get_backtrace(VALUE info)
return get_backtrace(info);
}
+VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
+
static void
set_backtrace(VALUE info, VALUE bt)
{
ID set_backtrace = rb_intern("set_backtrace");
if (rb_backtrace_p(bt)) {
- if (rb_method_defined_by(info, set_backtrace, rb_exc_set_backtrace)) {
+ if (rb_method_basic_definition_p(CLASS_OF(info), set_backtrace)) {
rb_exc_set_backtrace(info, bt);
return;
}