ninja check-gollvm on x86: 23/201 FAIL

[ChunyuLiao]

llvm： upstream commit bfb4c0c37078aa5ce251752d99310ccb05e1296a

gollvm: upstream commit 0e34e09

environment： p6
steps：
cmake -DCMAKE_BUILD_TYPE=Release -DLLVM_USE_LINKER=gold -G Ninja ../llvm

ninja check-gollvm -k 30

all log:
log_x86.txt

126:FAILED: tools/gollvm/libgo/CMakeFiles/check_libgo_runtime_debug
128:failed to rethrow unwind exception (reason=5)
188:FAILED: tools/gollvm/gotools/CMakeFiles/check_cgo_tool
201:FAILED: tools/gollvm/gotools/CMakeFiles/check_carchive_tool
206:FAILED: tools/gollvm/gotools/CMakeFiles/check_vet_tool
211:FAILED: tools/gollvm/gotools/CMakeFiles/check_go_tool
285:FAILED: tools/gollvm/libgo/CMakeFiles/check_libgo_mime
287:--- FAIL: TestTypeByExtensionUNIX (0.00s)
289:FAIL
480:FAILED: tools/gollvm/libgo/CMakeFiles/check_libgo_runtime
484:FAILED: tools/gollvm/gotools/CMakeFiles/check_runtime_with_gotool
490:FAILED: tools/gollvm/libgo/CMakeFiles/check_libgo_runtime_pprof
492:--- FAIL: TestCPUProfile (7.13s)
706:--- FAIL: TestCPUProfileLabel (6.94s)
896:--- FAIL: TestCPUProfileMultithreadMagnitude (18.76s)
898: --- FAIL: TestCPUProfileMultithreadMagnitude/serial (7.32s)
1099: --- FAIL: TestCPUProfileMultithreadMagnitude/parallel (11.44s)
1594: pprof_test.go:126: Failure of this test may indicate that your system suffers from a known Linux kernel bug fixed on newer kernels. See https://golang.org/issue/49065.
1595:--- FAIL: TestCPUProfileMultithreaded (8.53s)
1981:--- FAIL: TestCPUProfileRecursion (7.14s)
2359:--- FAIL: TestLabelSystemstack (7.26s)
2641:--- FAIL: TestTimeVDSO (6.93s)
2921:FAIL