diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4bdda7e9bf9..2fe3ad185f9 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR libstdc++/77691
+	* testsuite/experimental/memory_resource/resource_adaptor.cc:
+	xfail execution on 32-bit Solaris/x86.
+
 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
 
 	* testsuite/20_util/function_objects/comparisons_pointer.cc: Use
diff --git a/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc b/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
index 6e7820a1092..340276fe96d 100644
--- a/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
+++ b/libstdc++-v3/testsuite/experimental/memory_resource/resource_adaptor.cc
@@ -1,4 +1,5 @@
 // { dg-do run { target c++14 } }
+// { dg-xfail-run-if "PR libstdc++/77691" { { i?86-*-solaris2.* x86_64-*-solaris2.* } && ilp32 } }
 
 // Copyright (C) 2016-2018 Free Software Foundation, Inc.
 //