| Index: src/crankshaft/hydrogen-instructions.cc | 
| diff --git a/src/crankshaft/hydrogen-instructions.cc b/src/crankshaft/hydrogen-instructions.cc | 
| index 70b3f6d54164a316b31e167a35165c25a864cc09..5d3c56d5b6f7d2232dbce9e98d85e77a13055d6c 100644 | 
| --- a/src/crankshaft/hydrogen-instructions.cc | 
| +++ b/src/crankshaft/hydrogen-instructions.cc | 
| @@ -3423,8 +3423,7 @@ HInstruction* HUnaryMathOperation::New(Isolate* isolate, Zone* zone, | 
| } | 
| switch (op) { | 
| case kMathExp: | 
| -        lazily_initialize_fast_exp(isolate); | 
| -        return H_CONSTANT_DOUBLE(fast_exp(d, isolate)); | 
| +        return H_CONSTANT_DOUBLE(base::ieee754::exp(d)); | 
| case kMathLog: | 
| return H_CONSTANT_DOUBLE(base::ieee754::log(d)); | 
| case kMathSqrt: | 
|  |