[Mesa-dev] [Bug 91226] Crash in glLinkProgram (NEW)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Jul 4 14:49:23 PDT 2015


--- Comment #1 from Neil Roberts <neil at linux.intel.com> ---
It looks this is a bug in Mesa. I've filed a patch for it here:


The buggy code looks like it is trying to match expressions that look like

floor(abs(x) + 0.5) * sign(x)

However the check for the + in the middle is broken so I think it will crash
with anything that looks like this

floor(<any unary operation>) * sign(x)

Maybe if you want to make a workaround you could rearrange the expression so
that it doesn't match that somehow?

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