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diff --git a/lib/clang/11.0.0/include/sanitizer/allocator_interface.h b/lib/clang/11.0.0/include/sanitizer/allocator_interface.h
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--- a/lib/clang/11.0.0/include/sanitizer/allocator_interface.h
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@@ -1,88 +0,0 @@
-//===-- allocator_interface.h ---------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// Public interface header for allocator used in sanitizers (ASan/TSan/MSan).
-//===----------------------------------------------------------------------===//
-#ifndef SANITIZER_ALLOCATOR_INTERFACE_H
-#define SANITIZER_ALLOCATOR_INTERFACE_H
-
-#include <stddef.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- /* Returns the estimated number of bytes that will be reserved by allocator
- for request of "size" bytes. If allocator can't allocate that much
- memory, returns the maximal possible allocation size, otherwise returns
- "size". */
- size_t __sanitizer_get_estimated_allocated_size(size_t size);
-
- /* Returns true if p was returned by the allocator and
- is not yet freed. */
- int __sanitizer_get_ownership(const volatile void *p);
-
- /* Returns the number of bytes reserved for the pointer p.
- Requires (get_ownership(p) == true) or (p == 0). */
- size_t __sanitizer_get_allocated_size(const volatile void *p);
-
- /* Number of bytes, allocated and not yet freed by the application. */
- size_t __sanitizer_get_current_allocated_bytes(void);
-
- /* Number of bytes, mmaped by the allocator to fulfill allocation requests.
- Generally, for request of X bytes, allocator can reserve and add to free
- lists a large number of chunks of size X to use them for future requests.
- All these chunks count toward the heap size. Currently, allocator never
- releases memory to OS (instead, it just puts freed chunks to free
- lists). */
- size_t __sanitizer_get_heap_size(void);
-
- /* Number of bytes, mmaped by the allocator, which can be used to fulfill
- allocation requests. When a user program frees memory chunk, it can first
- fall into quarantine and will count toward __sanitizer_get_free_bytes()
- later. */
- size_t __sanitizer_get_free_bytes(void);
-
- /* Number of bytes in unmapped pages, that are released to OS. Currently,
- always returns 0. */
- size_t __sanitizer_get_unmapped_bytes(void);
-
- /* Malloc hooks that may be optionally provided by user.
- __sanitizer_malloc_hook(ptr, size) is called immediately after
- allocation of "size" bytes, which returned "ptr".
- __sanitizer_free_hook(ptr) is called immediately before
- deallocation of "ptr". */
- void __sanitizer_malloc_hook(const volatile void *ptr, size_t size);
- void __sanitizer_free_hook(const volatile void *ptr);
-
- /* Installs a pair of hooks for malloc/free.
- Several (currently, 5) hook pairs may be installed, they are executed
- in the order they were installed and after calling
- __sanitizer_malloc_hook/__sanitizer_free_hook.
- Unlike __sanitizer_malloc_hook/__sanitizer_free_hook these hooks can be
- chained and do not rely on weak symbols working on the platform, but
- require __sanitizer_install_malloc_and_free_hooks to be called at startup
- and thus will not be called on malloc/free very early in the process.
- Returns the number of hooks currently installed or 0 on failure.
- Not thread-safe, should be called in the main thread before starting
- other threads.
- */
- int __sanitizer_install_malloc_and_free_hooks(
- void (*malloc_hook)(const volatile void *, size_t),
- void (*free_hook)(const volatile void *));
-
- /* Drains allocator quarantines (calling thread's and global ones), returns
- freed memory back to OS and releases other non-essential internal allocator
- resources in attempt to reduce process RSS.
- Currently available with ASan only.
- */
- void __sanitizer_purge_allocator(void);
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif