[Bug rtl-optimization/54524] [4.6/4.7/4.8 Regression] Spurious add on sum of bitshifts (forward-propagate issue)

[jan.smets@alcatel-lucent.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54524

--- Comment #3 from Jan Smets <jan.smets@alcatel-lucent.com> 2012-09-18 21:49:21 UTC ---
This commit introduced the bug:

http://gcc.gnu.org/viewcvs?view=revision&revision=161655
(or 182cf5a9a415f31df0f9a10e46faed1221484a35 in git)