re PR sanitizer/64632 (runtime error: member call on address 0x0000004318a8 which does not point to an object of type 'ios_base')

	PR sanitizer/64632
	* ubsan/ubsan_type_hash.cc: Cherry pick upstream r224972.

	* g++.dg/ubsan/pr64632.C: New test.

From-SVN: r219912