am ec8b3a7d: Merge "Fix clang build."

* commit 'ec8b3a7dde3c282c4f9ca5c8bf5a7e1b7469def0':
  Fix clang build.

libc/arch-arm64/bionic/libgcc_compat.c

@@ -1,5 +1,7 @@
 /* STOPSHIP: remove this once the flounder blobs have been rebuilt (http://b/20065774). */
 
+#if defined(__clang__)
+
 extern void __clear_cache(char*, char*);
 extern char _Unwind_Backtrace;
 extern char _Unwind_GetIP;
@@ -9,3 +11,5 @@ void* __bionic_libgcc_compat_symbols[] = {
     &_Unwind_Backtrace,
     &_Unwind_GetIP,
 };
+
+#endif