[compiler-rt][libFuzzer] Disable counters test on arm

This test is either very slow or loops forever on 32 bit Arm.

One of a few tests causing timeouts on our buildbots:
https://lab.llvm.org/buildbot/#/builders/190/builds/513

diff --git a/compiler-rt/test/fuzzer/counters.test b/compiler-rt/test/fuzzer/counters.test
index 8f461c6..27acaa4 100644 (file)
--- a/compiler-rt/test/fuzzer/counters.test
+++ b/compiler-rt/test/fuzzer/counters.test
@@ -1,4 +1,4 @@
-UNSUPPORTED: aarch64, ios
+UNSUPPORTED: aarch64, ios, arm
 RUN: %cpp_compiler %S/CounterTest.cpp -o %t-CounterTest
 RUN: not %run %t-CounterTest  -max_len=6 -seed=1 -timeout=15 2>&1 | FileCheck %s --check-prefix=COUNTERS