C optimizer problem -- does DEC have a response?

[Peter van Hooft 44327]

In <1990Aug26.214532.17118 at watcgl.waterloo.edu> idallen at watcgl.waterloo.edu (Ian! D. Allen [CGL]) writes:

>>Perl compiled here under Ultrix 4.0, fully optimized, after I dealt
>>with a few small problems (like not having enough memory....)

>Perl compiled here on a DECsystem 5400 under Ultrix 3.1C using -O
>-DLANGUAGE_C fails self-tests op.eval #7 and op.s #40.  It works fine
>if I remove the -O.
>-- 
>-IAN! (Ian! D. Allen) idallen at watcgl.uwaterloo.ca idallen at watcgl.waterloo.edu
> [129.97.128.64]  Computer Graphics Lab/University of Waterloo/Ontario/Canada

You should ``undef'' volatile in config.sh. The optimizer obviously does funny things
with volatile variables.
There's the connection :-)




Peter van Hooft (hooft at apolloway.prl.philips.nl)