On Thu, Dec 1, 2016 at 1:49 PM, Markus Trippelsdorf
wrote:
> Using bootstrap-ubsan gcc to build mplayer shows:
>
> tree-ssa-loop-prefetch.c:835:16: runtime error: signed integer overflow:
> 288230376151711743 * 64 cannot be represented in type 'long int'
>
> Here signed und unsigned integers are m
Using bootstrap-ubsan gcc to build mplayer shows:
tree-ssa-loop-prefetch.c:835:16: runtime error: signed integer overflow:
288230376151711743 * 64 cannot be represented in type 'long int'
Here signed und unsigned integers are mixed in a division resulting in
bogus results: (-83 + 64ULL -1) / 64UL