re PR bootstrap/63888 (bootstrap failed when configured with -with-build-config=bootstrap-asan --disable-werror)

	PR bootstrap/63888
	* asan/asan_globals.cc (RegisterGlobal): Disable detect_odr_violation
	support until it is rewritten upstream.

	* c-c++-common/asan/pr63888.c: New test.

From-SVN: r220919