[Bug other/54398] Incorrect ARM assembly when building with -fno-omit-frame-pointer -O2

[carrot at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54398

--- Comment #8 from Carrot <carrot at google dot com> 2012-09-12 20:57:33 UTC ---
(In reply to comment #7)
> 
> This rings a bell.
> 
> Maybe the patch mentioned below needs backporting given Carrot is 
> reporting this against the 4.6 branch. What's not clear if this is 
> reproducible on anything later though.
> 
> http://old.nabble.com/-PATCH--Prevent-cselib-substitution-of-FP,-SP,-SFP-td33080657.html
> 
The patch can fix this bug.