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

src/crankshaft/hydrogen-instructions.cc

Index: src/crankshaft/hydrogen-instructions.cc
diff --git a/src/crankshaft/hydrogen-instructions.cc b/src/crankshaft/hydrogen-instructions.cc
index a864c0c6cc726e9c45735d591276c24603e2fc17..791194cfbb143983f683e4a3b47c9c053e02e9b3 100644
--- a/src/crankshaft/hydrogen-instructions.cc
+++ b/src/crankshaft/hydrogen-instructions.cc
@@ -4084,7 +4084,8 @@ HInstruction* HUnaryMathOperation::New(Isolate* isolate, Zone* zone,
       case kMathLog:
         return H_CONSTANT_DOUBLE(std::log(d));
       case kMathSqrt:
-        return H_CONSTANT_DOUBLE(fast_sqrt(d));
+        lazily_initialize_fast_sqrt(isolate);
+        return H_CONSTANT_DOUBLE(fast_sqrt(d, isolate));
       case kMathPowHalf:
         return H_CONSTANT_DOUBLE(power_double_double(d, 0.5));
       case kMathAbs:
@@ -4156,8 +4157,8 @@ HInstruction* HPower::New(Isolate* isolate, Zone* zone, HValue* context,
     HConstant* c_left = HConstant::cast(left);
     HConstant* c_right = HConstant::cast(right);
     if (c_left->HasNumberValue() && c_right->HasNumberValue()) {
-      double result = power_helper(c_left->DoubleValue(),
-                                   c_right->DoubleValue());
+      double result =
+          power_helper(isolate, c_left->DoubleValue(), c_right->DoubleValue());
       return H_CONSTANT_DOUBLE(std::isnan(result)
                                    ? std::numeric_limits<double>::quiet_NaN()
                                    : result);