On Mon, 2017-04-24 at 11:20 -0400, David Malcolm wrote:
> On Sat, 2017-04-22 at 19:49 +0200, Tom de Vries wrote:
> > Hi,
> >
> > there are currently two types of line number supported in
> > dg-{error,warning,message,bogus} directives: absolute and relative.
> > With an absolute line number, it's immediately clear what line
> > number
> > is
> > meant, but when a line is added at the start of the file, the line
> > number needs to be updated. With a relative line number, that
> > problem
> > is solved, but when relative line numbers become large, it becomes
> > less
> > clear what line it refers to, and when adding a line inbetween the
> > directive using the relative line number and the line it refers to,
> > the
> > relative line number still needs to be updated.
> >
> > This patch adds a directive dg-save-linenr with argument varname,
> > that
> > saves the line number of the directive in a variable varname, which
> > can
> > be used as line number in dg directives.
> >
> > Testing status:
> > - tested updated test-case objc.dg/try-catch-12.m
> > - ran tree-ssa.exp
> >
> > RFC:
> > - good idea?
>
> Excellent idea; thanks! There are various places where I'd find this
> useful
e.g. the test cases within
https://gcc.gnu.org/ml/gcc-patches/2017-04/msg01061.html
