[builtins] Migrate Math.log to TurboFan.

src/contexts.h

Index: src/contexts.h
diff --git a/src/contexts.h b/src/contexts.h
index 32fd5efcfe72f6ea71898a0b5b3d9921c63e8ab5..003f1c3e18037c7061372ebe4c019721c10d59e7 100644
--- a/src/contexts.h
+++ b/src/contexts.h
@@ -87,6 +87,7 @@ enum BindingFlags {
   V(SPREAD_ARGUMENTS_INDEX, JSFunction, spread_arguments)               \
   V(SPREAD_ITERABLE_INDEX, JSFunction, spread_iterable)                 \
   V(MATH_FLOOR, JSFunction, math_floor)                                 \
+  V(MATH_LOG, JSFunction, math_log)                                     \
   V(MATH_SQRT, JSFunction, math_sqrt)
 
 #define NATIVE_CONTEXT_IMPORTED_FIELDS(V)                                   \