Mark some libFuzzer tests as XFAIL'd on Darwin

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llvm-svn: 296526

llvm/lib/Fuzzer/test/coverage.test

@@ -1,3 +1,5 @@
+XFAIL: darwin
+
 CHECK: COVERAGE:
 CHECK-DAG: COVERED: {{.*}}in LLVMFuzzerTestOneInput {{.*}}NullDerefTest.cpp:13
 CHECK-DAG: COVERED: {{.*}}in LLVMFuzzerTestOneInput {{.*}}NullDerefTest.cpp:14

llvm/lib/Fuzzer/test/dump_coverage.test

@@ -4,6 +4,8 @@ RUN: xargs sancov -covered-functions LLVMFuzzer-NullDerefTest* %t_workdir/*.sanc
 RUN: env ASAN_OPTIONS=coverage_dir='"%t_workdir"' LLVMFuzzer-DSOTest -dump_coverage=1 -runs=0 2>&1 | FileCheck %s --check-prefix=DSO
 RUN: env ASAN_OPTIONS=coverage_dir='"%t_workdir"' not LLVMFuzzer-NullDerefTest -dump_coverage=0 2>&1 | FileCheck %s --check-prefix=NOCOV
 
+XFAIL: darwin
+
 CHECK: SanitizerCoverage: {{.*}}LLVMFuzzer-NullDerefTest.{{.*}}.sancov {{.*}} PCs written
 SANCOV: LLVMFuzzerTestOneInput
 

llvm/lib/Fuzzer/test/fuzzer-oom.test

@@ -1,4 +1,6 @@
 RUN: not LLVMFuzzer-OutOfMemoryTest -rss_limit_mb=300 2>&1 | FileCheck %s
+XFAIL: darwin
+
 CHECK: ERROR: libFuzzer: out-of-memory (used: {{.*}}; limit: 300Mb)
 CHECK: Test unit written to ./oom-
 SUMMARY: libFuzzer: out-of-memory

llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test

@@ -1,6 +1,7 @@
 // FIXME: Support for sanitizer hooks for memcmp and strcmp needs to
 // be implemented in the sanitizer runtime for this test
 UNSUPPORTED: windows
+XFAIL: darwin
 CHECK: BINGO
 
 RUN: not LLVMFuzzer-MemcmpTest               -seed=1 -runs=2000000   2>&1 | FileCheck %s