Re: [nios2, committed] fix bad assertion

[Chung-Lin Tang <cltang@codesourcery.com>]

On 2015/6/30 1:01 AM, Sandra Loosemore wrote:
> When I was preparing to regression-test something else in a nios2-linux-gnu build, I discovered it was ICE'ing while building
> shared libraries with -fpic (glibc, libgomp).  I tracked this down to having started with r224048, but on further investigation
> I decided that commit merely exposed a latent bug.
> 
> The trouble is that the assertion in nios2_delegitimize_address is too restrictive compared to what nios2_legitimize_address can
> produce.  It's expecting to find a SYMBOL_REF underneath but in one case it was crashing on a LABEL_REF (for a computed goto),
> and in another case it was a symbol + offset expression which is even documented with a big block of comments in
> nios2_legitimize_address.  I've checked in this patch to relax the assertion; it allows the toolchain to build again, and test
> results look decent.
> 
> -Sandra
> 

This was backported to gcc-5-branch, to fix that ICE Marek encountered.

Chung-Lin