Put "Error:" before error output

[Tuncer Ayaz]

On Fri, Jan 23, 2015 at 12:04 PM, Konstantine Rybnikov wrote:
> Hi!
>
> I'm bringing this up once again. Can we add "Error:" in the output
> of an error in a similar way ghc shows "Warning:" for warnings? Main
> reasoning is that, for example, on a build-server, where you have
> lots of cores to build your program, if you get an error, it gets
> lost somewhere in the middle of compiler's output in all other
> "Warning" messages you get, since error is not always shown last on
> multi-core build.

Isn't kind of a compiler convention that ""Warning:" is only prepended
if an issue is treated as a warning. I mean, you can enable -Werror
and treat all or specific warnings as errors as well.