Index: lib/asan/asan_win_dll_thunk.cc
===================================================================
--- lib/asan/asan_win_dll_thunk.cc
+++ lib/asan/asan_win_dll_thunk.cc
@@ -344,6 +344,8 @@
 INTERFACE_FUNCTION(__sanitizer_unaligned_store64)
 INTERFACE_FUNCTION(__sanitizer_verify_contiguous_container)
 INTERFACE_FUNCTION(__sanitizer_install_malloc_and_free_hooks)
+INTERFACE_FUNCTION(__sanitizer_start_switch_fiber)
+INTERFACE_FUNCTION(__sanitizer_finish_switch_fiber)
 
 // TODO(timurrrr): Add more interface functions on the as-needed basis.