Fix mysqltest printing of include stack.

The printing of include stack in the error case in mysqltest omitted the
bottom of the stack (the line number in original test case file), and instead
printed the top of the stack twice. Fix to print each element on the stack
once and only once.

1 files changed, 8 insertions, 3 deletions

diff --git a/client/mysqltest.cc b/client/mysqltest.cc
index 16ab64fb424..0b08564b07a 100644
--- a/client/mysqltest.cc
+++ b/client/mysqltest.cc
@@ -1270,12 +1270,17 @@ static void cleanup_and_exit(int exit_code)
 
 void print_file_stack()
 {
-  for (struct st_test_file* err_file= cur_file;
-       err_file != file_stack;
-       err_file--)
+  struct st_test_file* err_file= cur_file;
+  if (err_file == file_stack)
+    return;
+
+  for (;;)
   {
+    err_file--;
     fprintf(stderr, "included from %s at line %d:\n",
             err_file->file_name, err_file->lineno);
+    if (err_file == file_stack)
+      break;
   }
 }