2013-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/37021
	* tree-vect-data-refs.c (vect_check_strided_load): Allow
	REALPART/IMAGPART_EXPRs around the supported refs.
	* tree-ssa-structalias.c (find_func_aliases): Assume that
	floating-point values are not used to transfer pointers.

	* gfortran.dg/vect/fast-math-pr37021.f90: New testcase.

From-SVN: r197158