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diff --git a/lib/clang/3.6/include/sanitizer/asan_interface.h b/lib/clang/3.6/include/sanitizer/asan_interface.h
new file mode 100644
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--- /dev/null
+++ b/lib/clang/3.6/include/sanitizer/asan_interface.h
@@ -0,0 +1,156 @@
+//===-- sanitizer/asan_interface.h ------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer.
+//
+// Public interface header.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_ASAN_INTERFACE_H
+#define SANITIZER_ASAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  // Marks memory region [addr, addr+size) as unaddressable.
+  // This memory must be previously allocated by the user program. Accessing
+  // addresses in this region from instrumented code is forbidden until
+  // this region is unpoisoned. This function is not guaranteed to poison
+  // the whole region - it may poison only subregion of [addr, addr+size) due
+  // to ASan alignment restrictions.
+  // Method is NOT thread-safe in the sense that no two threads can
+  // (un)poison memory in the same memory region simultaneously.
+  void __asan_poison_memory_region(void const volatile *addr, size_t size);
+  // Marks memory region [addr, addr+size) as addressable.
+  // This memory must be previously allocated by the user program. Accessing
+  // addresses in this region is allowed until this region is poisoned again.
+  // This function may unpoison a superregion of [addr, addr+size) due to
+  // ASan alignment restrictions.
+  // Method is NOT thread-safe in the sense that no two threads can
+  // (un)poison memory in the same memory region simultaneously.
+  void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
+
+// User code should use macros instead of functions.
+#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+#define ASAN_POISON_MEMORY_REGION(addr, size) \
+  __asan_poison_memory_region((addr), (size))
+#define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
+  __asan_unpoison_memory_region((addr), (size))
+#else
+#define ASAN_POISON_MEMORY_REGION(addr, size) \
+  ((void)(addr), (void)(size))
+#define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
+  ((void)(addr), (void)(size))
+#endif
+
+  // Returns 1 if addr is poisoned (i.e. 1-byte read/write access to this
+  // address will result in error report from AddressSanitizer).
+  // Otherwise returns 0.
+  int __asan_address_is_poisoned(void const volatile *addr);
+
+  // If at least one byte in [beg, beg+size) is poisoned, return the address
+  // of the first such byte. Otherwise return 0.
+  void *__asan_region_is_poisoned(void *beg, size_t size);
+
+  // Print the description of addr (useful when debugging in gdb).
+  void __asan_describe_address(void *addr);
+
+  // Useful for calling from a debugger to get information about an ASan error.
+  // Returns 1 if an error has been (or is being) reported, otherwise returns 0.
+  int __asan_report_present();
+
+  // Useful for calling from a debugger to get information about an ASan error.
+  // If an error has been (or is being) reported, the following functions return
+  // the pc, bp, sp, address, access type (0 = read, 1 = write), access size and
+  // bug description (e.g. "heap-use-after-free"). Otherwise they return 0.
+  void *__asan_get_report_pc();
+  void *__asan_get_report_bp();
+  void *__asan_get_report_sp();
+  void *__asan_get_report_address();
+  int __asan_get_report_access_type();
+  size_t __asan_get_report_access_size();
+  const char *__asan_get_report_description();
+
+  // Useful for calling from the debugger to get information about a pointer.
+  // Returns the category of the given pointer as a constant string.
+  // Possible return values are "global", "stack", "stack-fake", "heap",
+  // "heap-invalid", "shadow-low", "shadow-gap", "shadow-high", "unknown".
+  // If global or stack, tries to also return the variable name, address and
+  // size. If heap, tries to return the chunk address and size. 'name' should
+  // point to an allocated buffer of size 'name_size'.
+  const char *__asan_locate_address(void *addr, char *name, size_t name_size,
+                                    void **region_address, size_t *region_size);
+
+  // Useful for calling from the debugger to get the allocation stack trace
+  // and thread ID for a heap address. Stores up to 'size' frames into 'trace',
+  // returns the number of stored frames or 0 on error.
+  size_t __asan_get_alloc_stack(void *addr, void **trace, size_t size,
+                                int *thread_id);
+
+  // Useful for calling from the debugger to get the free stack trace
+  // and thread ID for a heap address. Stores up to 'size' frames into 'trace',
+  // returns the number of stored frames or 0 on error.
+  size_t __asan_get_free_stack(void *addr, void **trace, size_t size,
+                               int *thread_id);
+
+  // Useful for calling from the debugger to get the current shadow memory
+  // mapping.
+  void __asan_get_shadow_mapping(size_t *shadow_scale, size_t *shadow_offset);
+
+  // This is an internal function that is called to report an error.
+  // However it is still a part of the interface because users may want to
+  // set a breakpoint on this function in a debugger.
+  void __asan_report_error(void *pc, void *bp, void *sp,
+                           void *addr, int is_write, size_t access_size);
+
+  // Sets the exit code to use when reporting an error.
+  // Returns the old value.
+  int __asan_set_error_exit_code(int exit_code);
+
+  // Sets the callback to be called right before death on error.
+  // Passing 0 will unset the callback.
+  void __asan_set_death_callback(void (*callback)(void));
+
+  void __asan_set_error_report_callback(void (*callback)(const char*));
+
+  // User may provide function that would be called right when ASan detects
+  // an error. This can be used to notice cases when ASan detects an error, but
+  // the program crashes before ASan report is printed.
+  void __asan_on_error();
+
+  // Prints accumulated stats to stderr. Used for debugging.
+  void __asan_print_accumulated_stats();
+
+  // This function may be optionally provided by user and should return
+  // a string containing ASan runtime options. See asan_flags.h for details.
+  const char* __asan_default_options();
+
+  // The following 2 functions facilitate garbage collection in presence of
+  // asan's fake stack.
+
+  // Returns an opaque handler to be used later in __asan_addr_is_in_fake_stack.
+  // Returns NULL if the current thread does not have a fake stack.
+  void *__asan_get_current_fake_stack();
+
+  // If fake_stack is non-NULL and addr belongs to a fake frame in
+  // fake_stack, returns the address on real stack that corresponds to
+  // the fake frame and sets beg/end to the boundaries of this fake frame.
+  // Otherwise returns NULL and does not touch beg/end.
+  // If beg/end are NULL, they are not touched.
+  // This function may be called from a thread other than the owner of
+  // fake_stack, but the owner thread need to be alive.
+  void *__asan_addr_is_in_fake_stack(void *fake_stack, void *addr, void **beg,
+                                     void **end);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // SANITIZER_ASAN_INTERFACE_H