Demonstrate an unrecognized indirect modifier

v23/mklexer_test.go

@@ -149,8 +149,6 @@ func (s *Suite) Test_MkLexer_Expr(c *check.C) {
  testRest(input, expectedToken, "", diagnostics...)
  }
 
- t.Use(testRest, test, expr, exprText)
-
  test("${VARIABLE}",
  expr("VARIABLE"))
 
@@ -416,6 +414,13 @@ func (s *Suite) Test_MkLexer_Expr(c *check.C) {
 
  test("${:!command!:Q}",
  expr("", "!command!", "Q"))
+
+ test("${_BUILD_DEFS.${v}:U${${v}}:${_BUILD_INFO_MOD.${v}}:Q}",
+ b.ExprTextToken(
+ "${_BUILD_DEFS.${v}:U${${v}}:${_BUILD_INFO_MOD.${v}}:Q}",
+ // FIXME: The indirect modifier is missing.
+ "_BUILD_DEFS.${v}", "U${${v}}", "Q"),
+ "WARN: Test_MkLexer_Expr.mk:1: Invalid variable modifier \"${_BUILD_INFO_MOD.${v}}\" for \"_BUILD_DEFS.${v}\".")
 }
 
 // Pkglint can replace $(VAR) with ${VAR}. It doesn't look at all components