Only allow line number directives with filename (ocaml/ocaml#931)

314eter · Jan 19, 2019 · b9d6fb0 · b9d6fb0
1 parent 6a1cacb
commit b9d6fb0
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diff --git a/corpus/toplevel.txt b/corpus/toplevel.txt
@@ -16,3 +16,16 @@ Toplevel directives
   (toplevel_directive
     (directive)
     (value_path (value_name))))
+
+==============================
+Line number directives
+==============================
+
+# 1 "test.ml"
+# 2 "test.ml" (* comment *)
+
+---
+
+(compilation_unit
+  (line_number_directive)
+  (line_number_directive))