diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index 99bec43..6260295 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -224,6 +224,31 @@
 enddef
 
 
+def EchoArg(arg: string): string
+  return arg
+enddef
+def RefThis(): func
+  return function('EchoArg')
+enddef
+def s:ScriptPCall()
+  RefThis()("text")
+enddef
+
+def Test_disassemble_pcall()
+  let res = execute('disass s:ScriptPCall')
+  assert_match('<SNR>\d\+_ScriptPCall.*'
+        \ .. 'RefThis()("text").*'
+        \ .. '\d DCALL RefThis(argc 0).*'
+        \ .. '\d PUSHS "text".*'
+        \ .. '\d PCALL top (argc 1).*'
+        \ .. '\d PCALL end.*'
+        \ .. '\d DROP.*'
+        \ .. '\d PUSHNR 0.*'
+        \ .. '\d RETURN.*'
+        \, res)
+enddef
+
+
 def FuncWithForwardCall(): string
   return DefinedLater("yes")
 enddef
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index f6cb15f..19df73c 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -260,9 +260,10 @@
   echo a:arg
 endfunc
 
-def Test_call_wrong_arg_count()
+def Test_call_wrong_args()
   call CheckDefFailure(['TakesOneArg()'], 'E119:')
   call CheckDefFailure(['TakesOneArg(11, 22)'], 'E118:')
+  call CheckDefFailure(['bufnr(xxx)'], 'E1001:')
 enddef
 
 " Default arg and varargs
@@ -1029,6 +1030,14 @@
   assert_equal('1_3_', result)
 enddef
 
+def Test_for_loop_fails()
+  call CheckDefFailure(['for # in range(5)'], 'E690:')
+  call CheckDefFailure(['for i In range(5)'], 'E690:')
+  call CheckDefFailure(['let x = 5', 'for x in range(5)'], 'E1023:')
+  call CheckScriptFailure(['def Func(arg)', 'for arg in range(5)', 'enddef'], 'E1006:')
+  call CheckDefFailure(['for i in "text"'], 'E1024:')
+enddef
+
 def Test_interrupt_loop()
   let caught = false
   let x = 0