[pushed] gdb/s390: Fix build breakage due to std::min/std::max usage without header

[Pedro Alves <palves@redhat.com>]

On 09/16/2016 08:00 PM, Pedro Alves wrote:

> From 325fac504a327de9c46a4e5cf9c88ece9d9d7701 Mon Sep 17 00:00:00 2001
> From: Pedro Alves <palves@redhat.com>
> Date: Fri, 16 Sep 2016 19:55:17 +0100
> Subject: [PATCH] gdb: Use std::min and std::max throughout

This broke the build on s390.   I've pushed the obvious fix below.

Hindsight is showing I have lost a good opportunity to try the trybot...

From 93689493b376c4e5616c1679733619f96202c369 Mon Sep 17 00:00:00 2001
From: Pedro Alves <palves@redhat.com>
Date: Mon, 19 Sep 2016 00:30:30 +0100
Subject: [PATCH] gdb/s390: Fix build breakage due to std::min/std::max usage
 without header

  [...]
  .../gdb/s390-linux-nat.c: In function 'void s390_prepare_to_resume(lwp_info*)':
  .../gdb/s390-linux-nat.c:703:20: error: 'min' is not a member of 'std'
      watch_lo_addr = std::min (watch_lo_addr, area->lo_addr);
  [...]

gdb/ChangeLog:
2016-09-18  Pedro Alves  <palves@redhat.com>

	* s390-linux-nat.c: Include <algorithm>.
---
 gdb/ChangeLog        | 4 ++++
 gdb/s390-linux-nat.c | 1 +
 2 files changed, 5 insertions(+)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f86e0a4..830d5de 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 2016-09-18  Pedro Alves  <palves@redhat.com>
 
+	* s390-linux-nat.c: Include <algorithm>.
+
+2016-09-18  Pedro Alves  <palves@redhat.com>
+
 	* breakpoint.c (hardware_watchpoint_inserted_in_range): Explicitly
 	specify the std:min/std::max specialization.
 	* exec.c (section_table_read_available_memory): Likewise.
diff --git a/gdb/s390-linux-nat.c b/gdb/s390-linux-nat.c
index 687502c..9abb5c2 100644
--- a/gdb/s390-linux-nat.c
+++ b/gdb/s390-linux-nat.c
@@ -39,6 +39,7 @@
 #include <sys/procfs.h>
 #include <sys/ucontext.h>
 #include <elf.h>
+#include <algorithm>
 
 /* Per-thread arch-specific data.  */
 
-- 
2.5.5