MIPS: Use signaling NaN for holes in fixed double arrays.

test/cctest/test-macro-assembler-mips.cc

Index: test/cctest/test-macro-assembler-mips.cc
diff --git a/test/cctest/test-macro-assembler-mips.cc b/test/cctest/test-macro-assembler-mips.cc
index 6cb00e445634e313a5ec16af2f064eacce014060..3a97d2137f34fe64e95d3f8d0628f2c2de65946d 100644
--- a/test/cctest/test-macro-assembler-mips.cc
+++ b/test/cctest/test-macro-assembler-mips.cc
@@ -150,8 +150,7 @@ static void TestNaN(const char *code) {
   double value = a->get_scalar(0);
   CHECK(std::isnan(value) &&
         bit_cast<uint64_t>(value) ==
-            bit_cast<uint64_t>(
-                i::FixedDoubleArray::canonical_not_the_hole_nan_as_double()));
+            bit_cast<uint64_t>(std::numeric_limits<double>::quiet_NaN()));
 }