<URL: http://bugs.freeciv.org/Ticket/Display.html?id=39722 >
2007/11/26, Jason Short <[EMAIL PROTECTED]>: > > > <URL: http://bugs.freeciv.org/Ticket/Display.html?id=39722 > I can't view that ticket as guest since trackers not allow me to display them since many days :( I'm going to commit a fix for this (why not) but I'd like more details. Hurray, I have posted some ticket, I'm thought that nobody read them :) What platform are you using? I'm using Debian/GNU Linux testing on I386 (centrino dual core and K7 athlon ). Problem appears only with gcc-4.2. But gcc-4.1 don't have this problem. Are you really saying that GINT_TO_POINTER is not reversible for > negative numbers on your platform? If that's the case we need to audit > a lot more users I think...and would need to complain to the glib people > to get the macro to barf when given a negative. Yep. Optimisation -02 cause this problem. If GINT_TO_POINTER=-1 then it's constant like variable (never take other value). Problem is prehaps more due to the GCC than GLIB. -jason > > Cheers -- Carl
2007/11/26, Jason Short <[EMAIL PROTECTED]>:
<URL: http://bugs.freeciv.org/Ticket/Display.html?id=39722 >
I can't view that ticket as guest since trackers not allow me to display them since many days :(
I'm going to commit a fix for this (why not) but I'd like more details.
Hurray, I have posted some ticket, I'm thought that nobody read them :)
What platform are you using?
I'm using Debian/GNU Linux testing on I386 (centrino dual core and K7 athlon ). Problem appears only with gcc-4.2. But gcc-4.1 don't have this problem.
Are you really saying that GINT_TO_POINTER is not reversible for
negative numbers on your platform? If that's the case we need to audit
a lot more users I think...and would need to complain to the glib people
to get the macro to barf when given a negative.
Yep. Optimisation -02 cause this problem. If GINT_TO_POINTER=-1 then it's constant like variable (never take other value). Problem is prehaps more due to the GCC than GLIB.
-jason
Cheers
--
Carl
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