[Info-vax] VMS Cobol - GnuCOBOL

[Scott Dorsey]

John Reagan  <xyzzy1959 at gmail.com> wrote:
>Debugging optimized code has been the Holy Grail for years.  On Alpha, GEM =
>and the debugger have
>some attempt at make it possible but it wasn't perfect.  Later DWARF standa=
>rds have added additional
>features for compilers to use to help convey the transformations used by th=
>e compiler, but it still a
>challenge to present to the human in a way that makes sense.  And of course=
>, if the original source
>program was technically illegal (which might be why you are in the debugger=
> to start with), optimizers
>will often do unspeakable transformations to such invalid programs. =20

gus baird always said "You don't need a debugger.  What you need is to stop
putting bugs in your programs."
--scott

-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."