On Fri, May 29, 2015 at 3:39 AM, Richard Biener <rguent...@suse.de> wrote: > > This fixes jump threading which fails to update the loop ownership > of duplicated blocks (and was probably just lucky that loops were > fixed up usually). The blocks of the jump thread path always belong to > the loop of the final threading destination. > > Bootstrapped on x86_64-unknown-linux-gnu, testing in progress. > > Richard. > > 2015-05-29 Richard Biener <rguent...@suse.de> > > PR tree-optimization/66314 > * tree-ssa-threadupdate.c (create_block_for_threading): Add > parameter that says which loop the new block belongs to. > (ssa_create_duplicates): Blocks duplicated for the threaded > path belong to the loop of the thread destination. >
This caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66340 -- H.J.
