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-rw-r--r--src/libexpr/parser.y2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index 449123a1f82c..095e288430f6 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -8,6 +8,8 @@
 %parse-param { ParseData * data }
 %lex-param { yyscan_t scanner }
 %lex-param { ParseData * data }
+%expect 1
+%expect-rr 1
 
 %code requires {