patch 9.1.1158: :verbose set has wrong file name with :compiler!

Problem:  :verbose set has wrong file name with :compiler!
Solution: Add -keepscript (zeertzjq)

closes: #16752

Signed-off-by: zeertzjq <[email protected]>
Signed-off-by: Christian Brabandt <[email protected]>

Author: zeertzjq

src/ex_cmds2.c

@@ -789,7 +789,7 @@ ex_compiler(exarg_T *eap)
     {
 	// ":compiler! {name}" sets global options
 	do_cmdline_cmd((char_u *)
-		"command -nargs=* CompilerSet set <args>");
+		"command -nargs=* -keepscript CompilerSet set <args>");
     }
     else
     {

src/testdir/test_compiler.vim

@@ -17,12 +17,14 @@ func Test_compiler()
   e Xfoo.pl
   " Play nice with other tests.
   defer setqflist([])
+
   compiler perl
   call assert_equal('perl', b:current_compiler)
   call assert_fails('let g:current_compiler', 'E121:')
-
   let verbose_efm = execute('verbose set efm')
   call assert_match('Last set from .*[/\\]compiler[/\\]perl.vim ', verbose_efm)
+  " Not using the global value
+  call assert_notequal('', &l:efm)
 
   call setline(1, ['#!/usr/bin/perl -w', 'use strict;', 'my $foo=1'])
   w!
@@ -36,6 +38,29 @@ func Test_compiler()
   call assert_match('\n \d\+ Xfoo.pl:3: Global symbol "$foo" '
   \ .               'requires explicit package name', a)
 
+  compiler make
+  call assert_fails('let b:current_compiler', 'E121:')
+  call assert_fails('let g:current_compiler', 'E121:')
+  let verbose_efm = execute('verbose set efm')
+  call assert_match('Last set from .*[/\\]compiler[/\\]make.vim ', verbose_efm)
+
+  compiler! perl
+  call assert_equal('perl', b:current_compiler)
+  call assert_equal('perl', g:current_compiler)
+  let verbose_efm = execute('verbose set efm')
+  call assert_match('Last set from .*[/\\]compiler[/\\]perl.vim ', verbose_efm)
+  call assert_equal(verbose_efm, execute('verbose setglobal efm'))
+  " Using the global value
+  call assert_equal('', &l:efm)
+
+  compiler! make
+  call assert_fails('let b:current_compiler', 'E121:')
+  call assert_fails('let g:current_compiler', 'E121:')
+  let verbose_efm = execute('verbose set efm')
+  call assert_match('Last set from .*[/\\]compiler[/\\]make.vim ', verbose_efm)
+  call assert_equal(verbose_efm, execute('verbose setglobal efm'))
+  " Using the global value
+  call assert_equal('', &l:efm)
 
   let &shellslash = save_shellslash
   call delete('Xfoo.pl')

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1158,
 /**/
     1157,
 /**/