Lazily initialize fast_sqrt() and pass an Isolate parameter to it

src/arm64/simulator-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 #include <cmath>
 #include <cstdarg>
 
 #if V8_TARGET_ARCH_ARM64
 
@@ skipping 3087 matching lines @@
 }
 
 
 template <typename T>
 T Simulator::FPSqrt(T op) {
   if (std::isnan(op)) {
     return FPProcessNaN(op);
   } else if (op < 0.0) {
     return FPDefaultNaN<T>();
   } else {
-    return fast_sqrt(op);
+    lazily_initialize_fast_sqrt(isolate_);
+    return fast_sqrt(op, isolate_);
   }
 }
 
 
 template <typename T>
 T Simulator::FPSub(T op1, T op2) {
   // NaNs should be handled elsewhere.
   DCHECK(!std::isnan(op1) && !std::isnan(op2));
 
   if (std::isinf(op1) && std::isinf(op2) && (op1 == op2)) {
@@ skipping 717 matching lines @@
   delete[] format;
 }
 
 
 #endif  // USE_SIMULATOR
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64