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-rw-r--r--src/error.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/error.c b/src/error.c
index d0cbc91c3..bb334322f 100644
--- a/src/error.c
+++ b/src/error.c
@@ -134,7 +134,7 @@ exc_message(mrb_state *mrb, mrb_value exc)
static mrb_value
exc_inspect(mrb_state *mrb, mrb_value exc)
{
- mrb_value str, klass;
+ mrb_value str;
str = mrb_str_new2(mrb, mrb_obj_classname(mrb, exc));
exc = mrb_obj_as_string(mrb, exc);