Update GetCurrentStackPosition to use built-in

By using a built-in this functions works with SafeStack and doesn't
require an attribute disabling ASan.

BUG=chromium:864705

Change-Id: I20cc818f1a0724a017a4f7f9ae3cd8fedb6245ee
Reviewed-on: https://chromium-review.googlesource.com/1141045
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54884}

src/utils.h

@@ -1562,13 +1562,14 @@ bool DoubleToBoolean(double d);
 template <typename Stream>
 bool StringToArrayIndex(Stream* stream, uint32_t* index);
 
-// Returns current value of top of the stack. Works correctly with ASAN.
-DISABLE_ASAN
+// Returns current value of top of the stack. Works correctly with ASAN and
+// SafeStack.
 inline uintptr_t GetCurrentStackPosition() {
-  // Takes the address of the limit variable in order to find out where
-  // the top of stack is right now.
-  uintptr_t limit = reinterpret_cast<uintptr_t>(&limit);
-  return limit;
+#if V8_CC_MSVC
+  return reinterpret_cast<uintptr_t>(_AddressOfReturnAddress());
+#else
+  return reinterpret_cast<uintptr_t>(__builtin_frame_address(0));
+#endif
 }
 
 template <typename V>