backport: re PR tree-optimization/33826 (GCC generates wrong code for infinitely...

backport: re PR tree-optimization/33826 (GCC generates wrong code for infinitely recursive functions)

	Backport:
	2008-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gcc.dg/pr33826.c: Require nonpic.

	2007-11-07  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR middle-end/33826
	* ipa-pure-const (static_execute): Added code to keep recursive
	functions from being marked as pure or const.
	* ipa-utils (searchc): Fixed comment.

	2007-11-08  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR middle-end/33826
	* gcc.dg/pr33826.c: New.
	* gcc.dg/tree-ssa/20030714-1.c: Removed two tests that depend on
	recursive functions being marked pure or const.

From-SVN: r131805