build fix (see r281666)

sandbox/linux/services/yama_unittests.cc

Index: sandbox/linux/services/yama_unittests.cc
diff --git a/sandbox/linux/services/yama_unittests.cc b/sandbox/linux/services/yama_unittests.cc
index 4722af3369c2820f07d97ed560bec3a6ab6f8786..a4100a6c37d346d0ca5af6e230444f3bc44cb596 100644
--- a/sandbox/linux/services/yama_unittests.cc
+++ b/sandbox/linux/services/yama_unittests.cc
@@ -129,6 +129,9 @@ void SetYamaRestrictions(bool enable_restriction) {
 }
 
 TEST(Yama, RestrictPtraceWorks) {
+  if (HasLinux32Bug())
+    return;
+
   ScopedProcess process1(base::Bind(&SetYamaRestrictions, true));
   ASSERT_TRUE(process1.WaitForClosureToRun());
 
@@ -151,7 +154,7 @@ TEST(Yama, RestrictPtraceWorks) {
 void DoNothing() {}
 
 SANDBOX_TEST(Yama, RestrictPtraceIsDefault) {
-  if (!Yama::IsPresent())
+  if (!Yama::IsPresent() || HasLinux32Bug())
     return;
 
   CHECK(Yama::DisableYamaRestrictions());