libfuzzer: Disable broken tests for arm

[manojgupta]

Summary

libfuzzer was recently enabled for Arm32 in D112091.
A few tests apparently do not work with arm32 so disable them.
The list of tests was obtained from
https://lab.llvm.org/buildbot/#/builders/190/builds/513

[morehouse]

LGTM

compiler-rt/test/fuzzer/acquire-crash-state.test

+UNSUPPORTED: arm
 RUN: %cpp_compiler %S/AcquireCrashStateTest.cpp -o %t
 RUN: %run %t 2>&1 | FileCheck %s
 CHECK-NOT: fuzz target exited

compiler-rt/test/fuzzer/compressed.test

 REQUIRES: linux
 REQUIRES: zlib
 # zlib is "supported" on i386 even when only for x86_64, explicitly make i386
 # unsupported by this test.
-UNSUPPORTED: i386
+UNSUPPORTED: i386, arm
 # Custom mutator should find this bug, w/o custom -- no chance.
 RUN: %cpp_compiler %S/CompressedTest.cpp -o %t-CompressedTestCustom -DCUSTOM_MUTATOR -lz
 RUN: %cpp_compiler %S/CompressedTest.cpp -o %t-CompressedTestPlain -lz
 RUN: not %run %t-CompressedTestCustom -seed=1 -runs=1000000
 RUN:     %run %t-CompressedTestPlain  -seed=1 -runs=1000000

compiler-rt/test/fuzzer/msan-custom-mutator.test

 REQUIRES: msan
+UNSUPPORTED: arm
 RUN: %msan_compiler %S/MsanCustomMutator.cpp -o %t
 RUN: %run %t -seed=1 -runs=1000 2>&1 | FileCheck %s
 
 CHECK-NOT: MemorySanitizer: use-of-uninitialized-value

compiler-rt/test/fuzzer/msan-param-unpoison.test

 REQUIRES: msan
+UNSUPPORTED: arm
 RUN: %msan_compiler %S/MsanParamUnpoison.cpp -o %t
 RUN: %run %t -seed=1 -runs=1000 2>&1 | FileCheck %s
 
 CHECK-NOT: MemorySanitizer: use-of-uninitialized-value

compiler-rt/test/fuzzer/msan.test

 REQUIRES: msan
+UNSUPPORTED: arm
 RUN: %msan_compiler %S/SimpleTestStdio.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
 
 RUN: %msan_compiler %S/SimpleCmpTest.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
 
 RUN: %msan_compiler %S/MemcmpTest.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT

compiler-rt/test/fuzzer/sigint.test

 REQUIRES: msan
+UNSUPPORTED: arm
 
 # Check that libFuzzer exits gracefully under SIGINT with MSan.
 RUN: rm -rf %t
 RUN: mkdir -p %t
 RUN: %msan_compiler %S/SleepOneSecondTest.cpp -o %t/LFSIGINT
 
 RUN: %run %t/LFSIGINT 2> %t/log & export PID=$!
 RUN: sleep 2
 RUN: kill -SIGINT $PID
 RUN: sleep 3
 RUN: cat %t/log | FileCheck %s
 
 CHECK: libFuzzer: run interrupted; exiting
 CHECK-NOT: WARNING: MemorySanitizer

compiler-rt/test/fuzzer/value-profile-div.test

 UNSUPPORTED: ios
-UNSUPPORTED: aarch64
+UNSUPPORTED: arm, aarch64
 CHECK: AddressSanitizer: {{FPE|int-divide-by-zero}}
 RUN: %cpp_compiler %S/DivTest.cpp -fsanitize-coverage=trace-div -o %t-DivTest
 RUN: not %run %t-DivTest -seed=1 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s