patch 8.2.1453: Vim9: failure to compile lambda not tested
Problem: Vim9: failure to compile lambda not tested.
Solution: Add a test case.
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index c673453..48c1cf2 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1583,6 +1583,7 @@
assert_equal(true, LambdaUsingArg(1)())
call CheckDefFailure(["filter([1, 2], {k,v -> 1})"], 'E1069:')
+ call CheckDefFailure(["let L = {a -> a + b}"], 'E1001:')
enddef
def Test_expr7_lambda_vim9script()