diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index a9e1618410f..d908b8537d7 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-07-06  Andrew Burgess  <andrew.burgess@embecosm.com>
+
+	* gdb.base/share-env-with-gdbserver.c (main): Add call to
+	malloc/free.
+
 2018-07-04  Tom de Vries  <tdevries@suse.de>
 
 	* gdb.dwarf2/dw2-error.exp: Update expected error message.
diff --git a/gdb/testsuite/gdb.base/share-env-with-gdbserver.c b/gdb/testsuite/gdb.base/share-env-with-gdbserver.c
index 2b821cd854d..213dde3d6e8 100644
--- a/gdb/testsuite/gdb.base/share-env-with-gdbserver.c
+++ b/gdb/testsuite/gdb.base/share-env-with-gdbserver.c
@@ -29,6 +29,8 @@ my_getenv (const char *name)
 int
 main (int argc, char *argv[])
 {
+  /* Call malloc to ensure it is linked in.  */
+  char *tmp = malloc (1);
   const char *myvar = getenv ("GDB_TEST_VAR");
 
   if (myvar != NULL)
@@ -36,5 +38,6 @@ main (int argc, char *argv[])
   else
     printf ("It failed.");
 
+  free (tmp);
   return 0;	/* break-here */
 }