Re: Fwd: gcc internal failure during optimization delete_trivially_dead_insns

[Jeff Law <law at redhat dot com>]

On 04/07/2015 06:45 AM, ftwilliam wrote:
> Hi Jeff,
>
> I reran cc1 both under gdb and valgrind, and the result were the same;
> the backtrace is different after delete_trivially_dead_insns();
>
> Would it help if I sent out a patch against gcc-4.9.2, and all you
> would need to reproduce the issue would be to run:
> ../gcc-4.9.2/configure --prefix=/opt/myarchtoolchain
> --target=myarch-elf --enable-language=c
> make
>
> I would also need to sent out a patch against binutils-2.25 to be
> built before gcc-4.9.2 using:
> ../binutils-2.25/configure --prefix=/opt/myarchtoolchain --target=myarch-elf
>
> Please, let me know if you can help.
A patch against the trunk would be far more interesting.  gcc-4.9 is 
already a year old and we're very much focused on gcc-5 (trunk).

jeff