[m-dev.] a bug in the trace system ?

[Fergus Henderson]

On 15-Dec-1999, Erwan Jahier <Erwan.Jahier at irisa.fr> wrote:
> I have downloaded the prerelease and installed it
> (BTW, it works fine on sparc).
> 
> But my regression tests fail; the port are sometimes wrong. For example,
> pragma_nondet_first events are generated instead of switch.
> 
> While I was trying to find why, I realized that the MR_trace_port enum of 
> runtime/mercury_trace_base.h and browser/util.m are not matching whereas they 
> should !!

This is a bug introduced in Zoltan's recent change to
runtime/mercury_trace_base.h.  I'll commit a fix for that shortly.

> The exception port seems to be in the wrong place.
> The strange thing is that mdb behaves correctly! (???).

The standard mdb doesn't use the enum in browser/util.m.
It's only used by browser/debugger_interface.m (for the external debugger)
and browser/declarative_debugger.m (for the declarative debugger).

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3        |     -- the last words of T. S. Garp.
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