[PATCH GCC][obvious]Don't reset ssa_name infor in struct iv.

[Bin Cheng]

Hi,
I applied a patch before to keep ssa_name information in struct iv.  Seems
this function somehow slipped away.
Will apply it to trunk.

Thanks,
bin

2015-06-26  Bin Cheng  <bin.cheng@arm.com>

	* tree-ssa-loop-ivopts.c (record_sub_use): Don't reset ssa_name
	field in struct iv.
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: keep-ssa_name-in-iv.txt
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20150626/16221cdc/attachment.txt>