diff --git a/libc/arch-arm64/arm64.mk b/libc/arch-arm64/arm64.mk
index 470a038..6a2f313 100644
--- a/libc/arch-arm64/arm64.mk
+++ b/libc/arch-arm64/arm64.mk
@@ -40,6 +40,8 @@
     arch-arm64/bionic/syscall.S \
     arch-arm64/bionic/vfork.S \
 
+# Work around for http://b/20065774.
+libc_bionic_src_files_arm64 += arch-arm64/bionic/libgcc_compat.c
 
 libc_crt_target_cflags_arm64 := \
     -I$(LOCAL_PATH)/arch-arm64/include
diff --git a/libc/arch-arm64/bionic/libgcc_compat.c b/libc/arch-arm64/bionic/libgcc_compat.c
new file mode 100644
index 0000000..35158ce
--- /dev/null
+++ b/libc/arch-arm64/bionic/libgcc_compat.c
@@ -0,0 +1,11 @@
+/* STOPSHIP: remove this once the flounder blobs have been rebuilt (http://b/20065774). */
+
+extern void __clear_cache(char*, char*);
+extern char _Unwind_Backtrace;
+extern char _Unwind_GetIP;
+
+void* __bionic_libgcc_compat_symbols[] = {
+    &__clear_cache,
+    &_Unwind_Backtrace,
+    &_Unwind_GetIP,
+};