common emit_edge_label: abbreviate an 'UNREACHABLE' pattern

diff --git a/lib/common/emit.c b/lib/common/emit.c
index 40dabdacfaa99f1903a8572ab6d899b149d0b32f..91df063f4fdb603a3ff7e25b0f48b796e8d38b10 100644 (file)
--- a/lib/common/emit.c
+++ b/lib/common/emit.c
@@ -2692,8 +2692,7 @@ emit_edge_label(GVJ_t* job, textlabel_t* lbl, emit_state_t lkind, int explicit,
            type = "taillabel";
            break;
        default :
-           assert (0);
-           break;
+           UNREACHABLE();
        }
        agxbprint(&xb, "%s-%s", id, type);
        newid = agxbuse(&xb);