From 6dbdab44e57d21c895ef60246d0e7aadb3c076a4 Mon Sep 17 00:00:00 2001
From: Pedro Alves <palves@redhat.com>
Date: Thu, 18 Jun 2020 21:28:36 +0100
Subject: [PATCH] Don't write to inferior_ptid in aix-thread.c

There are other writes in the file, but they seem more harmless.  This
one is changing the current thread permanently.

gdb/ChangeLog:
2020-06-18  Pedro Alves  <palves@redhat.com>

	* aix-thread.c (pd_update): Use switch_to_thread.
---
 gdb/ChangeLog    | 4 ++++
 gdb/aix-thread.c | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 2f15382031..cd2af5c7a0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-06-18  Pedro Alves  <palves@redhat.com>
+
+	* aix-thread.c (pd_update): Use switch_to_thread.
+
 2020-06-18  Pedro Alves  <palves@redhat.com>
 
 	* ravenscar-thread.c (ravenscar_thread_target): Update.
diff --git a/gdb/aix-thread.c b/gdb/aix-thread.c
index f2bd05fef2..3963a08c84 100644
--- a/gdb/aix-thread.c
+++ b/gdb/aix-thread.c
@@ -902,7 +902,7 @@ pd_update (int set_infpid)
     {
       ptid = thread->ptid;
       if (set_infpid)
-	inferior_ptid = ptid;
+	switch_to_thread (thread);
     }
   return ptid;
 }