patch 8.2.3056: Vim9: using default value in lambda gives confusing error
Problem: Vim9: using default value in lambda gives confusing error.
Solution: Pass "default_args" on the first pass to get the arguments.
(closes #8455)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index bffbb1b..ee97e56 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -918,6 +918,12 @@
CheckScriptFailure(['vim9script'] + lines, 'E1168:')
lines =<< trim END
+ var Ref: func(any, ?any): bool
+ Ref = (_, y = 1) => false
+ END
+ CheckDefAndScriptFailure(lines, 'E1172:')
+
+ lines =<< trim END
def ShadowLocal()
var one = 1
var l = [1, 2, 3]