[arm][arm64] Fix TurboAssembler tests for hard aborts

The tests were not flushing the i-cache before calling the generated
code. Use Factory::NewCode to make sure that the i-cache is flushed
instead.

Bug: v8:7977
Change-Id: I9c7c6f0d0e31700634e50279e75858a5d74603d8
Reviewed-on: https://chromium-review.googlesource.com/1150165Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Georgia Kouveli <georgia.kouveli@arm.com>
Cr-Commit-Position: refs/heads/master@{#54711}

test/common/assembler-tester.h

@@ -27,6 +27,9 @@ static inline void MakeAssemblerBufferExecutable(uint8_t* buffer,
   bool result = v8::internal::SetPermissions(buffer, allocated,
                                              v8::PageAllocator::kReadExecute);
   CHECK(result);
+
+  // Flush the instruction cache as part of making the buffer executable.
+  Assembler::FlushICache(buffer, allocated);
 }
 
 static inline void MakeAssemblerBufferWritable(uint8_t* buffer,

test/unittests/unittests.status

@@ -15,10 +15,4 @@
   'RandomNumberGenerator.NextSampleSlowInvalidParam1': [SKIP],
   'RandomNumberGenerator.NextSampleSlowInvalidParam2': [SKIP],
 }],  # 'system == macos and asan'
-
-['arch == arm and not simulator_run', {
-  # Crashes flakily: https://crbug.com/v8/7977
-  'TurboAssemblerTest.TestCheck': [SKIP],
-}],  # arch == arm and not simulator_run
-
 ]