Use protected name for the prototype arguments.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@294585 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__threading_support b/include/__threading_support
index ac0544d..b938d9c 100644
--- a/include/__threading_support
+++ b/include/__threading_support
@@ -184,7 +184,7 @@
void __libcpp_thread_yield();
_LIBCPP_THREAD_ABI_VISIBILITY
-void __libcpp_thread_sleep_for(const chrono::nanoseconds& ns);
+void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns);
// Thread local storage
_LIBCPP_THREAD_ABI_VISIBILITY
diff --git a/include/thread b/include/thread
index 6024456..c9d1dfa 100644
--- a/include/thread
+++ b/include/thread
@@ -424,7 +424,7 @@
namespace this_thread
{
-_LIBCPP_FUNC_VIS void sleep_for(const chrono::nanoseconds& ns);
+_LIBCPP_FUNC_VIS void sleep_for(const chrono::nanoseconds& __ns);
template <class _Rep, class _Period>
void