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-rw-r--r--ext/-test-/string/coderange.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/-test-/string/coderange.c b/ext/-test-/string/coderange.c
index f6f58c4230..2f1e6a06a8 100644
--- a/ext/-test-/string/coderange.c
+++ b/ext/-test-/string/coderange.c
@@ -15,6 +15,7 @@ str_coderange(VALUE str)
case ENC_CODERANGE_BROKEN:
return sym_broken;
}
+ rb_bug("wrong condition of coderange");
UNREACHABLE;
}