PR tree-optimization/20204
	* tree-into-ssa.c (insert_phi_nodes_for): Do not use
	REWRITE_THIS_STMT markers on PHI nodes.
	(rewrite_initialize_block): Likewise.


testsuite/ChangeLog

	PR tree-optimization/20204
	* testsuite/gcc.dg/pr20204.c: New test.

From-SVN: r95547