[ASan] Disable allocator_oom_test.cc on s390
Summary:
ASan shadow memory on s390 is larger than other configurations, let's
disable this test for now (will revisit it later).
Reviewers: eugenis
Subscribers: kubamracek, llvm-commits
// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefixes=CHECK-MALLOC-REALLOC,CHECK-NULL
+// ASan shadow memory on s390 is too large for this test.
+// UNSUPPORTED: s390
+
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
