2011-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/48750
	* include/parallel/multiway_merge.h: Run _ValueType destructors.
	* include/parallel/multiway_mergesort.h: Likewise.
	* include/parallel/quicksort.h: Likewise.
	* include/parallel/random_shuffle.h: Likewise.
	* include/parallel/partial_sum.h: Likewise.
	* include/parallel/losertree.h: Run destructors; minor tweaks.
	* include/parallel/par_loop.h: Run destructors, fix memory
	allocations and deallocations.
	* testsuite/26_numerics/accumulate/48750.cc: New.

	* testsuite/ext/profile/mutex_extensions_neg.cc: Do not run in
	parallel-mode to avoid spurious multiple errors.

From-SVN: r173309