* Properly fill treference.alignment when variable is loaded by tcgloadnode. It allows code generator to insert unaligned handling if needed.
* Improved generic a_load_ref_reg_unaligned if ref alignment is 2.
* Improved unaligned load/store of register for ARM.
* It fixes passing records by value on ARM.
+ New test.

git-svn-id: trunk@10681 -