[RFC/patch for stage1] Embed compiler dumps into generated .o files (was Re: Obscure crashes due to gcc 4.9 -O2 => -fisolate-erroneous-paths-dereference)

2015-02-27 Thread David Malcolm
On Thu, 2015-02-26 at 11:17 -0500, David Malcolm wrote: > On Fri, 2015-02-20 at 10:29 -0700, Jeff Law wrote: > > On 02/19/15 14:56, Chris Johns wrote: > > > On 20/02/2015 8:23 am, Joel Sherrill wrote: > > >> > > >> On 2/19/2015 2:56 PM, Sandra Loosemore wrote: > > >>> Jakub Jelinek wrote: > >

Re: Obscure crashes due to gcc 4.9 -O2 => -fisolate-erroneous-paths-dereference

2015-02-27 Thread Manuel López-Ibáñez
On 02/19/15 14:56, Chris Johns wrote: > > My main concern is not knowing the trap has been added to the code. If I > could build an application and audit it somehow then I can manage it. We > have a similar issue with the possible use of FP registers being used in > general code (ISR save/restore t