diff --git a/compiler-rt/lib/hwasan/hwasan_allocation_functions.cpp b/compiler-rt/lib/hwasan/hwasan_allocation_functions.cpp
--- a/compiler-rt/lib/hwasan/hwasan_allocation_functions.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_allocation_functions.cpp
@@ -17,6 +17,58 @@
 #include "sanitizer_common/sanitizer_allocator_interface.h"
 #include "sanitizer_common/sanitizer_tls_get_addr.h"
 
+#if !SANITIZER_FUCHSIA
+extern "C" {
+
+SANITIZER_INTERFACE_ATTRIBUTE
+int __sanitizer_posix_memalign(void **memptr, uptr alignment, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_memalign(uptr alignment, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_aligned_alloc(uptr alignment, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer___libc_memalign(uptr alignment, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_valloc(uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_pvalloc(uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void __sanitizer_free(void *ptr);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void __sanitizer_cfree(void *ptr);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+uptr __sanitizer_malloc_usable_size(const void *ptr);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+__hwasan::__sanitizer_struct_mallinfo __sanitizer_mallinfo();
+
+SANITIZER_INTERFACE_ATTRIBUTE
+int __sanitizer_mallopt(int cmd, int value);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void __sanitizer_malloc_stats(void);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_calloc(uptr nmemb, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_realloc(void *ptr, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_reallocarray(void *ptr, uptr nmemb, uptr size);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void * __sanitizer_malloc(uptr size);
+}  // extern "C"
+
 using namespace __hwasan;
 
 static uptr allocated_for_dlsym;
@@ -170,3 +222,4 @@
 INTERCEPTOR_ALIAS(void, malloc_stats, void);
 #  endif
 #endif  // #if HWASAN_WITH_INTERCEPTORS
+#endif
diff --git a/compiler-rt/lib/hwasan/hwasan_interface_internal.h b/compiler-rt/lib/hwasan/hwasan_interface_internal.h
--- a/compiler-rt/lib/hwasan/hwasan_interface_internal.h
+++ b/compiler-rt/lib/hwasan/hwasan_interface_internal.h
@@ -168,54 +168,6 @@
 SANITIZER_INTERFACE_ATTRIBUTE
 void __hwasan_print_memory_usage();
 
-SANITIZER_INTERFACE_ATTRIBUTE
-int __sanitizer_posix_memalign(void **memptr, uptr alignment, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_memalign(uptr alignment, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_aligned_alloc(uptr alignment, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer___libc_memalign(uptr alignment, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_valloc(uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_pvalloc(uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void __sanitizer_free(void *ptr);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void __sanitizer_cfree(void *ptr);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-uptr __sanitizer_malloc_usable_size(const void *ptr);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-__hwasan::__sanitizer_struct_mallinfo __sanitizer_mallinfo();
-
-SANITIZER_INTERFACE_ATTRIBUTE
-int __sanitizer_mallopt(int cmd, int value);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void __sanitizer_malloc_stats(void);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_calloc(uptr nmemb, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_realloc(void *ptr, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_reallocarray(void *ptr, uptr nmemb, uptr size);
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void * __sanitizer_malloc(uptr size);
-
 SANITIZER_INTERFACE_ATTRIBUTE
 void *__hwasan_memcpy(void *dst, const void *src, uptr size);
 SANITIZER_INTERFACE_ATTRIBUTE