re PR c++/38908 (Unexplained "'<anonymous>' is used uninitialized in this function" warning in cc1plus -m64)

2009-01-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38908
	* tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
	uninitialized aggregate uses in call arguments.

	* g++.dg/warn/Wuninitialized-2.C: New testcase.

From-SVN: r143722