PR libstdc++/54351
	* include/bits/unique_ptr.h (unique_ptr<T>::~unique_ptr): Do not use
	reset().
	(unique_ptr<T[]>::~unique_ptr()): Likewise.
	* testsuite/20_util/unique_ptr/54351.cc: New.
	* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust dg-error
	line numbers.

From-SVN: r190676