Fuchsia: Fix arm64 build

runtime/bin/run_vm_tests_fuchsia.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <fcntl.h>
 #include <launchpad/launchpad.h>
 #include <magenta/syscalls.h>
 #include <mxio/util.h>
 #include <pthread.h>
 #include <runtime/sysinfo.h>
@@ skipping 15 matching lines @@
 
 // The simulator only has 512MB;
 const intptr_t kOldGenHeapSizeMB = 256;
 
 // Tests that are invalid, wedge, or cause panics.
 const char* kSkip[] = {
   // These expect a file to exist that we aren't putting in the image.
   "Read",
   "FileLength",
   "FilePosition",
-  // Hangs.
+  // Crash and then Hang.
   "ArrayLengthMaxElements",
   "Int8ListLengthMaxElements",
+  // Crashes in realloc.
   "LargeMap",
-  "CompileFunctionOnHelperThread",
   // The profiler is turned off.
   "Profiler_AllocationSampleTest",
   "Profiler_ArrayAllocation",
   "Profiler_BasicSourcePosition",
   "Profiler_BasicSourcePositionOptimized",
   "Profiler_BinaryOperatorSourcePosition",
   "Profiler_BinaryOperatorSourcePositionOptimized",
   "Profiler_ChainedSamples",
   "Profiler_ClosureAllocation",
   "Profiler_CodeTicks",
@@ skipping 272 matching lines @@
   free(test_list);
   pthread_mutex_destroy(&args_mutex);
 
   if (test_list_index != lines_count) {
     fprintf(stderr, "Failed to attempt all the tests!\n");
     return -1;
   }
 
   return 0;
 }