re PR tree-optimization/71252 (ICE: verify_ssa failed : definition in block 7 does not dominate use in block 6)

gcc/ChangeLog:

2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/71252
	* tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
	all fields including stmt_to_insert are swapped.


gcc/testsuite/ChangeLog:

2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/71252
	* gcc.dg/tree-ssa/pr71252-2.c: New test.

From-SVN: r236875