Temporarily Revert "Implement sized deallocation for std::allocator and friends."

This is breaking the bots here (and related): http://lab.llvm.org:8011/builders/libcxx-libcxxabi-x86_64-linux-ubuntu-asan/builds/1428

This reverts commit r345214.

llvm-svn: 345239

1 files changed, 13 insertions, 88 deletions

diff --git a/libcxx/include/new b/libcxx/include/new
index 412d51bd027..09d5162aeab 100644
--- a/libcxx/include/new
+++ b/libcxx/include/new
@@ -104,17 +104,12 @@ void  operator delete[](void* ptr, void*) noexcept;
 #pragma GCC system_header
 #endif
 
-#if !defined(__cpp_sized_deallocation) || __cpp_sized_deallocation  < 201309L
-#define _LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION
-#endif
-
-#if !defined(_LIBCPP_BUILDING_LIBRARY) && _LIBCPP_STD_VER < 14 && \
-    defined(_LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION)
+#if !defined(_LIBCPP_BUILDING_LIBRARY) && _LIBCPP_STD_VER < 14
 # define _LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION
 #endif
 
 #if defined(_LIBCPP_HAS_NO_LIBRARY_SIZED_DEALLOCATION) || \
-    defined(_LIBCPP_HAS_NO_LANGUAGE_SIZED_DEALLOCATION)
+    !defined(__cpp_sized_deallocation) || __cpp_sized_deallocation < 201309
 # define _LIBCPP_HAS_NO_SIZED_DEALLOCATION
 #endif
 
@@ -260,94 +255,24 @@ inline _LIBCPP_INLINE_VISIBILITY void *__libcpp_allocate(size_t __size, size_t _
 #endif
 }
 
-struct _DeallocateCaller {
-  static inline _LIBCPP_INLINE_VISIBILITY
-  void __do_deallocate_handle_size_align(void *__ptr, size_t __size, size_t __align) {
-#if defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION)
-    ((void)__align);
-    return __do_deallocate_handle_size(__ptr, __size);
-#else
-    if (__is_overaligned_for_new(__align)) {
-      const align_val_t __align_val = static_cast<align_val_t>(__align);
-      return __do_deallocate_handle_size(__ptr, __size, __align_val);
-    } else {
-      return __do_deallocate_handle_size(__ptr, __size);
-    }
-#endif
-  }
-
-  static inline _LIBCPP_INLINE_VISIBILITY
-  void __do_deallocate_handle_align(void *__ptr, size_t __align) {
-#if defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION)
-    ((void)__align);
-    return __do_call(__ptr);
-#else
-    if (__is_overaligned_for_new(__align)) {
-      const align_val_t __align_val = static_cast<align_val_t>(__align);
-      return __do_call(__ptr, __align_val);
-    } else {
-      return __do_call(__ptr);
-    }
-#endif
-  }
-
- private:
-  static inline void __do_deallocate_handle_size(void *__ptr, size_t __size) {
-#ifdef _LIBCPP_HAS_NO_SIZED_DEALLOCATION
-    ((void)__size);
-    return __do_call(__ptr);
-#else
-    return __do_call(__ptr, __size);
-#endif
-  }
-
+inline _LIBCPP_INLINE_VISIBILITY void __libcpp_deallocate(void* __ptr, size_t __align) {
 #ifndef _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
-  static inline void __do_deallocate_handle_size(void *__ptr, size_t __size, align_val_t __align) {
-#ifdef _LIBCPP_HAS_NO_SIZED_DEALLOCATION
-    ((void)__size);
-    return __do_call(__ptr, __align);
-#else
-    return __do_call(__ptr, __size, __align);
-#endif
-  }
-#endif
-
-private:
-  template <class _A1, class _A2>
-  static inline void __do_call(void *__ptr, _A1 __a1, _A2 __a2) {
-#if defined(_LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE) || \
-    defined(_LIBCPP_HAS_NO_BUILTIN_OVERLOADED_OPERATOR_NEW_DELETE)
-    return ::operator delete(__ptr, __a1, __a2);
-#else
-    return __builtin_operator_delete(__ptr, __a1, __a2);
-#endif
+  if (__is_overaligned_for_new(__align)) {
+    const align_val_t __align_val = static_cast<align_val_t>(__align);
+# ifdef _LIBCPP_HAS_NO_BUILTIN_OVERLOADED_OPERATOR_NEW_DELETE
+    return ::operator delete(__ptr, __align_val);
+# else
+    return __builtin_operator_delete(__ptr, __align_val);
+# endif
   }
-
-  template <class _A1>
-  static inline void __do_call(void *__ptr, _A1 __a1) {
-#if defined(_LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE) || \
-    defined(_LIBCPP_HAS_NO_BUILTIN_OVERLOADED_OPERATOR_NEW_DELETE)
-    return ::operator delete(__ptr, __a1);
 #else
-    return __builtin_operator_delete(__ptr, __a1);
+  ((void)__align);
 #endif
-  }
-
-  static inline void __do_call(void *__ptr) {
 #ifdef _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
-    return ::operator delete(__ptr);
+  return ::operator delete(__ptr);
 #else
-    return __builtin_operator_delete(__ptr);
+  return __builtin_operator_delete(__ptr);
 #endif
-  }
-};
-
-inline _LIBCPP_INLINE_VISIBILITY void __libcpp_deallocate(void* __ptr, size_t __size, size_t __align) {
-  _DeallocateCaller::__do_deallocate_handle_size_align(__ptr, __size, __align);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY void __libcpp_deallocate_unsized(void* __ptr, size_t __align) {
-  _DeallocateCaller::__do_deallocate_handle_align(__ptr, __align);
 }
 
 #ifdef _LIBCPP_BAD_ARRAY_LENGTH_DEFINED