patch 9.1.1224: cannot :put while keeping indent

Problem:  cannot :put while keeping indent (Peter Aronoff)
Solution: add the :iput ex command (64-bitman)

fixes: #16225
closes: #16886

Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Co-authored-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: 64-bitman <60551350+64-bitman@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index 7a41b5d..27b71fe 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -286,6 +286,20 @@
         res)
 enddef
 
+def s:IputExpr()
+  :3iput ="text"
+enddef
+
+def Test_disassemble_iput_expr()
+  var res = execute('disass s:IputExpr')
+  assert_match('<SNR>\d*_IputExpr.*' ..
+        ' :3iput ="text"\_s*' ..
+        '\d PUSHS "text"\_s*' ..
+        '\d IPUT = 3\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
 def s:PutRange()
   :$-2put a
   :$-3put! b
@@ -305,6 +319,25 @@
         res)
 enddef
 
+def s:IputRange()
+  :$-2iput a
+  :$-3iput! b
+enddef
+
+def Test_disassemble_iput_range()
+  var res = execute('disass s:IputRange')
+  assert_match('<SNR>\d*_IputRange.*' ..
+        ' :$-2iput a\_s*' ..
+        '\d RANGE $-2\_s*' ..
+        '\d IPUT a range\_s*' ..
+
+        ' :$-3iput! b\_s*' ..
+        '\d RANGE $-3\_s*' ..
+        '\d IPUT b above range\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
 def s:ScriptFuncPush()
   var localbool = true
   var localspec = v:none