[lsan] Disable stale_stack_leak.cc testcase on x86
// RUN: %clangxx_lsan %s -o %t
// RUN: LSAN_OPTIONS=$LSAN_BASE not %run %t 2>&1 | FileCheck %s
// RUN: LSAN_OPTIONS=$LSAN_BASE":exitcode=0" %run %t 2>&1 | FileCheck --check-prefix=CHECK-sanity %s
+//
+// x86 passes parameters through stack that may lead to false negatives
+// UNSPPORTED: x86
#include <stdio.h>
#include <stdlib.h>
