[builtins] Migrate Math.log to TurboFan.

src/compiler/x64/instruction-selector-x64.cc

Index: src/compiler/x64/instruction-selector-x64.cc
diff --git a/src/compiler/x64/instruction-selector-x64.cc b/src/compiler/x64/instruction-selector-x64.cc
index 44bc0203f07b931c88660b46eb4bd1708db683b3..fb4895157b5f8cbd1dd50c2fb5f237ab7ea295ed 100644
--- a/src/compiler/x64/instruction-selector-x64.cc
+++ b/src/compiler/x64/instruction-selector-x64.cc
@@ -1355,6 +1355,9 @@ void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat64Abs, kSSEFloat64Abs);
 }
 
+void InstructionSelector::VisitFloat64Log(Node* node) {
+  VisitRR(this, node, kX87Float64Log);
+}
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRO(this, node, kSSEFloat64Sqrt);