diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index d67c2d5..c9d5024 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -812,12 +812,25 @@
   call CheckDefExecFailure("echo s:doesnt_exist", 'E121:')
   call CheckDefExecFailure("echo g:doesnt_exist", 'E121:')
 
+  call CheckDefFailure("echo a:somevar", 'E1075:')
+  call CheckDefFailure("echo l:somevar", 'E1075:')
+  call CheckDefFailure("echo x:somevar", 'E1075:')
+
+  " TODO
+  call CheckDefFailure("echo b:somevar", 'not supported yet')
+  call CheckDefFailure("echo w:somevar", 'not supported yet')
+  call CheckDefFailure("echo t:somevar", 'not supported yet')
+
   call CheckDefExecFailure("let x = +g:astring", 'E1030:')
   call CheckDefExecFailure("let x = +g:ablob", 'E974:')
   call CheckDefExecFailure("let x = +g:alist", 'E745:')
   call CheckDefExecFailure("let x = +g:adict", 'E728:')
 
   call CheckDefFailureMult(["let x = ''", "let y = x.memb"], 'E715:')
+
+  call CheckDefExecFailure("[1, 2->len()", 'E492:')
+  call CheckDefExecFailure("#{a: 1->len()", 'E488:')
+  call CheckDefExecFailure("{'a': 1->len()", 'E492:')
 endfunc
 
 let g:Funcrefs = [function('add')]
@@ -878,4 +891,8 @@
   call CheckDefFailure("v:nosuch += 3", 'E1001:')
   call CheckDefFailure("let v:version = 3", 'E1064:')
   call CheckDefFailure("let asdf = v:nosuch", 'E1001:')
+
+  call CheckDefFailure("echo len('asdf'", 'E110:')
+  call CheckDefFailure("echo Func0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789()", 'E1011:')
+  call CheckDefFailure("echo doesnotexist()", 'E117:')
 endfunc
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 15b2640..5eeb198 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -101,6 +101,8 @@
   call CheckDefFailure(['let true = 1'], 'E1034:')
   call CheckDefFailure(['let false = 1'], 'E1034:')
 
+  call CheckScriptFailure(['vim9script', 'def Func()', 'let dummy = s:notfound', 'enddef'], 'E1050:')
+
   call CheckDefFailure(['let var: list<string> = [123]'], 'expected list<string> but got list<number>')
   call CheckDefFailure(['let var: list<number> = ["xx"]'], 'expected list<number> but got list<string>')
 
@@ -618,6 +620,12 @@
     enddef
     {'a': 1, 'b': 2}->DictFunc()
     assert_equal(#{a: 1, b: 2}, dictvar)
+    def CompiledDict()
+      {'a': 3, 'b': 4}->DictFunc()
+    enddef
+    CompiledDict()
+    assert_equal(#{a: 3, b: 4}, dictvar)
+
     #{a: 3, b: 4}->DictFunc()
     assert_equal(#{a: 3, b: 4}, dictvar)