From 9a50e260ee1cf3b7e355371f0f4248407101795d Mon Sep 17 00:00:00 2001
From: Tom de Vries <tdevries@suse.de>
Date: Wed, 12 Jun 2024 19:15:45 +0200
Subject: [gdb/testsuite] Fix error in gdb.server/server-kill-python.exp

With test-case gdb.server/server-kill-python.exp, I sometimes run into:
...
builtin_spawn gdb -nw -nx -q -iex set height 0 -iex set width 0 \
  -data-directory data-directory^M
kill^M
(gdb) kill^M
file server-kill-python^M
The program is not being run.^M
(gdb) ERROR: Couldn't load server-kill-python into GDB.
...

The problem is that the spawn produces a prompt, but it's not explicitly
consumed.

This is a regression since commit 0f077fcae0f ("[gdb/testsuite] Simplify
gdb.server/server-kill-python.exp").

Fix this by consuming the initial prompt.

PR testsuite/31819
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31819
Fixes: 0f077fcae0f ("[gdb/testsuite] Simplify gdb.server/server-kill-python.exp"
---
 gdb/testsuite/gdb.server/server-kill-python.exp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gdb/testsuite/gdb.server/server-kill-python.exp b/gdb/testsuite/gdb.server/server-kill-python.exp
index e9066ca..a771e6f 100644
--- a/gdb/testsuite/gdb.server/server-kill-python.exp
+++ b/gdb/testsuite/gdb.server/server-kill-python.exp
@@ -61,6 +61,12 @@ if {[gdb_spawn]} {
     return
 }
 
+gdb_test_multiple "" "initial prompt" {
+    -re "^$gdb_prompt $" {
+	pass $gdb_test_name
+    }
+}
+
 gdb_load $binfile
 gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
 
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