offloading/host_as_target.c looks like a flaky test

[shafik]

This just happened to me here: https://lab.llvm.org/buildbot/#/builders/73/builds/12455/steps/7/logs/FAIL__libomptarget____amdgcn-amd-amdhsa__host_as_t

# error: command failed with exit status: -11
# executed command: /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/FileCheck /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/offload/test/offloading/host_as_target.c
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/FileCheck /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/offload/test/offloading/host_as_target.c
# `-----------------------------
# error: command failed with exit status: 2

Looking at the log history it seems like this test fails intermittently and thus is flaky.

[shafik]

Please feel free to relabel as needed.

[llvmbot]

@llvm/issue-subscribers-infrastructure

Author: Shafik Yaghmour (shafik)

This just happened to me here: https://lab.llvm.org/buildbot/#/builders/73/builds/12455/steps/7/logs/FAIL__libomptarget____amdgcn-amd-amdhsa__host_as_t

# error: command failed with exit status: -11
# executed command: /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/FileCheck /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/offload/test/offloading/host_as_target.c
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/FileCheck /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/offload/test/offloading/host_as_target.c
# `-----------------------------
# error: command failed with exit status: 2

Looking at the log history it seems like this test fails intermittently and thus is flaky.