1 files changed, 28 insertions, 0 deletions
diff --git a/usr.bin/yacc/tests/error.y b/usr.bin/yacc/tests/error.y
new file mode 100644
index 0000000..673c68d
--- /dev/null
+++ b/usr.bin/yacc/tests/error.y
@@ -0,0 +1,28 @@
+%{
+int yylex(void);
+static void yyerror(const char *);
+%}
+%%
+S: error
+%%
+
+#include <stdio.h>
+
+int
+main(void)
+{
+    printf("yyparse() = %d\n", yyparse());
+    return 0;
+}
+
+int
+yylex(void)
+{
+    return -1;
+}
+
+static void
+yyerror(const char* s)
+{
+    printf("%s\n", s);
+}