[NFC] Strip trailing whitespace from libc++
diff --git a/libcxx/test/std/numerics/bit/bit.pow.two/ceil2.pass.cpp b/libcxx/test/std/numerics/bit/bit.pow.two/ceil2.pass.cpp
index a469fad..5b66aca 100644
--- a/libcxx/test/std/numerics/bit/bit.pow.two/ceil2.pass.cpp
+++ b/libcxx/test/std/numerics/bit/bit.pow.two/ceil2.pass.cpp
@@ -6,14 +6,14 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 
+// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
 
 // template <class T>
 //   constexpr T ceil2(T x) noexcept;
 
-// Returns: The minimal value y such that ispow2(y) is true and y >= x; 
+// Returns: The minimal value y such that ispow2(y) is true and y >= x;
 //    if y is not representable as a value of type T, the result is an unspecified value.
-// Remarks: This function shall not participate in overload resolution unless 
+// Remarks: This function shall not participate in overload resolution unless
 //  T is an unsigned integer type
 
 #include <bit>
@@ -49,7 +49,7 @@
 {
     ASSERT_SAME_TYPE(T, decltype(std::ceil2(T(0))));
     LIBCPP_ASSERT_NOEXCEPT(      std::ceil2(T(0)));
-    
+
     assert( std::ceil2(T(60)) == T( 64));
     assert( std::ceil2(T(61)) == T( 64));
     assert( std::ceil2(T(62)) == T( 64));
@@ -64,11 +64,11 @@
 
 int main()
 {
-    
+
     {
     auto lambda = [](auto x) -> decltype(std::ceil2(x)) {};
     using L = decltype(lambda);
-    
+
     static_assert( std::is_invocable_v<L, unsigned char>, "");
     static_assert( std::is_invocable_v<L, unsigned int>, "");
     static_assert( std::is_invocable_v<L, unsigned long>, "");
@@ -104,7 +104,7 @@
     static_assert( std::is_invocable_v<L, __uint128_t>, "");
     static_assert(!std::is_invocable_v<L, __int128_t>, "");
 #endif
- 
+
     static_assert(!std::is_invocable_v<L, A>, "");
     static_assert(!std::is_invocable_v<L, E1>, "");
     static_assert(!std::is_invocable_v<L, E2>, "");