--- Source/WTF/wtf/StdLibExtras.h.orig	2016-04-10 10:48:36
+++ Source/WTF/wtf/StdLibExtras.h	2024-12-16 13:51:17
@@ -320,78 +320,7 @@
     };
 }
 #endif
-
-// This adds various C++14 features for versions of the STL that may not yet have them.
-namespace std {
-// MSVC 2013 supports std::make_unique already.
-#if !defined(_MSC_VER) || _MSC_VER < 1800
-template<class T> struct _Unique_if {
-    typedef unique_ptr<T> _Single_object;
-};
 
-template<class T> struct _Unique_if<T[]> {
-    typedef unique_ptr<T[]> _Unknown_bound;
-};
-
-template<class T, size_t N> struct _Unique_if<T[N]> {
-    typedef void _Known_bound;
-};
-
-template<class T, class... Args> inline typename _Unique_if<T>::_Single_object
-make_unique(Args&&... args)
-{
-    return unique_ptr<T>(new T(std::forward<Args>(args)...));
-}
-
-template<class T> inline typename _Unique_if<T>::_Unknown_bound
-make_unique(size_t n)
-{
-    typedef typename remove_extent<T>::type U;
-    return unique_ptr<T>(new U[n]());
-}
-
-template<class T, class... Args> typename _Unique_if<T>::_Known_bound
-make_unique(Args&&...) = delete;
-#endif
-
-// Compile-time integer sequences
-// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3658.html
-// (Note that we only implement index_sequence, and not the more generic integer_sequence).
-template<size_t... indexes> struct index_sequence {
-    static size_t size() { return sizeof...(indexes); }
-};
-
-template<size_t currentIndex, size_t...indexes> struct make_index_sequence_helper;
-
-template<size_t...indexes> struct make_index_sequence_helper<0, indexes...> {
-    typedef std::index_sequence<indexes...> type;
-};
-
-template<size_t currentIndex, size_t...indexes> struct make_index_sequence_helper {
-    typedef typename make_index_sequence_helper<currentIndex - 1, currentIndex - 1, indexes...>::type type;
-};
-
-template<size_t length> struct make_index_sequence : public make_index_sequence_helper<length>::type { };
-
-#if COMPILER_SUPPORTS(CXX_USER_LITERALS)
-// These literals are available in C++14, so once we require C++14 compilers we can get rid of them here.
-// (User-literals need to have a leading underscore so we add it here - the "real" literals don't have underscores).
-namespace literals {
-namespace chrono_literals {
-    CONSTEXPR inline chrono::seconds operator"" _s(unsigned long long s)
-    {
-        return chrono::seconds(static_cast<chrono::seconds::rep>(s));
-    }
-
-    CONSTEXPR chrono::milliseconds operator"" _ms(unsigned long long ms)
-    {
-        return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(ms));
-    }
-}
-}
-#endif
-}
-
 using WTF::KB;
 using WTF::MB;
 using WTF::insertIntoBoundedVector;
--- Source/WTF/wtf/MathExtras.h.orig	2016-04-10 10:48:36
+++ Source/WTF/wtf/MathExtras.h	2024-12-16 18:39:15
@@ -73,15 +73,6 @@
 const double sqrtOfTwoDouble = M_SQRT2;
 #endif
 
-#if OS(DARWIN)
-
-// Work around a bug in the Mac OS X libc where ceil(-0.1) return +0.
-inline double wtf_ceil(double x) { return copysign(ceil(x), x); }
-
-#define ceil(x) wtf_ceil(x)
-
-#endif
-
 #if OS(SOLARIS)
 
 namespace std {
--- Source/WebCore/platform/LayoutUnit.h.orig	2016-04-10 10:48:37
+++ Source/WebCore/platform/LayoutUnit.h	2024-12-16 18:49:49
@@ -210,11 +210,7 @@
         returnValue.setRawValue(::abs(m_value));
         return returnValue;
     }
-#if OS(DARWIN)
-    int wtf_ceil() const
-#else
     int ceil() const
-#endif
     {
 #if ENABLE(SUBPIXEL_LAYOUT)
 #if ENABLE(SATURATED_LAYOUT_ARITHMETIC)
--- Source/ThirdParty/ANGLE/src/compiler/preprocessor/MacroExpander.h.orig	2016-04-10 10:48:36
+++ Source/ThirdParty/ANGLE/src/compiler/preprocessor/MacroExpander.h	2024-12-16 18:40:49
@@ -66,7 +66,7 @@
     MacroSet* mMacroSet;
     Diagnostics* mDiagnostics;
 
-    std::auto_ptr<Token> mReserveToken;
+    std::unique_ptr<Token> mReserveToken;
     std::vector<MacroContext*> mContextStack;
 };