CpuProfiler: fix for CollectDeoptEvents test on arm64

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1753 matching lines @@
   v8::Script::Compile(v8_str(source))->Run();
   i::CpuProfile* iprofile = iprofiler->GetProfile(0);
   iprofile->Print();
   {
     const char* branch[] = {"", "opt_function0", "opt_function0"};
     CHECK_EQ(reason(i::Deoptimizer::kNotAHeapNumber),
              GetBranchDeoptReason(iprofile, branch, arraysize(branch)));
   }
   {
     const char* branch[] = {"", "opt_function1", "opt_function1"};
-    CHECK_EQ(reason(i::Deoptimizer::kNaN),
-             GetBranchDeoptReason(iprofile, branch, arraysize(branch)));
+    const char* deopt_reason =
+        GetBranchDeoptReason(iprofile, branch, arraysize(branch));
+    if (deopt_reason != reason(i::Deoptimizer::kNaN) &&
+        deopt_reason != reason(i::Deoptimizer::kLostPrecisionOrNaN)) {
+      FATAL(deopt_reason);
+    }
   }
   {
     const char* branch[] = {"", "opt_function2", "opt_function2"};
     CHECK_EQ(reason(i::Deoptimizer::kDivisionByZero),
              GetBranchDeoptReason(iprofile, branch, arraysize(branch)));
   }
   iprofiler->DeleteProfile(iprofile);
 }
 
 
 TEST(SourceLocation) {
   i::FLAG_always_opt = true;
   i::FLAG_hydrogen_track_positions = true;
   LocalContext env;
   v8::HandleScope scope(CcTest::isolate());
 
   const char* source =
       "function CompareStatementWithThis() {\n"
       "  if (this === 1) {}\n"
       "}\n"
       "CompareStatementWithThis();\n";
 
   v8::Script::Compile(v8_str(source))->Run();
 }