vim-patch:8.1.1484: some tests are slow

Problem:    Some tests are slow.
Solution:   Add timing to the test messages.  Fix double free when quitting in
            VimLeavePre autocmd.
75ee544f99

src/nvim/eval.c

@@ -439,12 +439,12 @@ void eval_clear(void)
     xfree(SCRIPT_SV(i));
   ga_clear(&ga_scripts);
 
-  // unreferenced lists and dicts
-  (void)garbage_collect(false);
-
   // functions need to be freed before gargabe collecting, otherwise local
   // variables might be freed twice.
   free_all_functions();
+
+  // unreferenced lists and dicts
+  (void)garbage_collect(false);
 }
 
 #endif

src/nvim/testdir/runtest.vim

@@ -44,6 +44,10 @@ if &lines < 24 || &columns < 80
   qa!
 endif
 
+if has('reltime')
+  let s:start_time = reltime()
+endif
+
 " Common with all tests on all systems.
 source setup.vim
 
@@ -100,6 +104,9 @@ endfunc
 
 func RunTheTest(test)
   echo 'Executing ' . a:test
+  if has('reltime')
+    let func_start = reltime()
+  endif
 
   " Avoid stopping at the "hit enter" prompt
   set nomore
@@ -124,7 +131,11 @@ func RunTheTest(test)
     endtry
   endif
 
-  call add(s:messages, 'Executing ' . a:test)
+  let message = 'Executed ' . a:test
+  if has('reltime')
+    let message ..= ' in ' .. reltimestr(reltime(func_start)) .. ' seconds'
+  endif
+  call add(s:messages, message)
   let s:done += 1
 
   if a:test =~ 'Test_nocatch_'
@@ -230,6 +241,9 @@ func FinishTesting()
   else
     let message = 'Executed ' . s:done . (s:done > 1 ? ' tests' : ' test')
   endif
+  if has('reltime')
+    let message ..= ' in ' .. reltimestr(reltime(s:start_time)) .. ' seconds'
+  endif
   echo message
   call add(s:messages, message)
   if s:fail > 0