Re: [GOOGLE] Avoid calling walk_aliased_vdefs in O0 function

2015-03-23 Thread Xinliang David Li
ok. On Mon, Mar 23, 2015 at 5:37 PM, Carrot Wei wrote: > This patch fixes google internal bug b/19277289. It can only be > reproduced in google 4.9 branch. > > In function param_change_prob, there is following function call > > walk_aliased_vdefs (&refd, gimple_vuse (stmt), record_modified, &info

[GOOGLE] Avoid calling walk_aliased_vdefs in O0 function

2015-03-23 Thread Carrot Wei
This patch fixes google internal bug b/19277289. It can only be reproduced in google 4.9 branch. In function param_change_prob, there is following function call walk_aliased_vdefs (&refd, gimple_vuse (stmt), record_modified, &info, NULL); If the source code is compiled with optimization, but cfu