From 7123b8344ddc1c883483f13d34abbd22d4170452 Mon Sep 17 00:00:00 2001
From: Omair Majid <omajid@redhat.com>
Date: Tue, 5 Jan 2021 18:50:18 -0500
Subject: [PATCH] Fix build errors using GCC 11 (#46334)

Building runtime with GCC 11 leads to some new errors. The errors are
consistent with the "Header dependency changes" section documented at
https://gcc.gnu.org/gcc-11/porting_to.html

The first set of errors looks like this:

    runtime/src/coreclr/pal/src/misc/cgroup.cpp:403:29:
    error: no member named 'numeric_limits' in namespace 'std'
              if (temp > std::numeric_limits<size_t>::max())
                         ~~~~~^

Fix that by including <limits>.

The second set of errors looks like this:

    runtime/src/installer/corehost/cli/test/nativehost/host_context_test.cpp:634:31:
     error: no member named 'sleep_for' in namespace 'std::this_thread'
              std::this_thread::sleep_for(std::chrono::milliseconds(100));
              ~~~~~~~~~~~~~~~~~~^

Fix that by including <thread>.
---
 src/coreclr/src/pal/src/misc/cgroup.cpp                          | 1 +
 src/installer/corehost/cli/test/nativehost/host_context_test.cpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/coreclr/src/pal/src/misc/cgroup.cpp b/src/coreclr/src/pal/src/misc/cgroup.cpp
index f3e20012c539..24617359a21b 100644
--- a/src/coreclr/src/pal/src/misc/cgroup.cpp
+++ b/src/coreclr/src/pal/src/misc/cgroup.cpp
@@ -14,6 +14,7 @@ Module Name:
 #include "pal/dbgmsg.h"
 SET_DEFAULT_DEBUG_CHANNEL(MISC);
 #include "pal/palinternal.h"
+#include <limits>
 #include <limits.h>
 #include <sys/resource.h>
 #include "pal/virtual.h"
diff --git a/src/installer/corehost/cli/test/nativehost/host_context_test.cpp b/src/installer/corehost/cli/test/nativehost/host_context_test.cpp
index cea98db6673a..371ec2d7e2aa 100644
--- a/src/installer/corehost/cli/test/nativehost/host_context_test.cpp
+++ b/src/installer/corehost/cli/test/nativehost/host_context_test.cpp
@@ -11,6 +11,7 @@
 #include <corehost_context_contract.h>
 #include "hostfxr_exports.h"
 #include "host_context_test.h"
+#include <thread>
 #include <utils.h>
 
 namespace