[Bug tree-optimization/53438] [4.7/4.8 Regression] Bitfield store replaced with full-byte store

[wschmidt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53438

--- Comment #8 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-05-22 
18:04:21 UTC ---
Richard, the patch looks good.  It fixed the reduced test case, solves the
customer problem, and bootstraps on powerpc64-linux with no regressions.