https://bugzilla.novell.com/show_bug.cgi?id=860322 https://bugzilla.novell.com/show_bug.cgi?id=860322#c3 --- Comment #3 from Martin Kroeker <martin@ruby.chemie.uni-freiburg.de> 2014-02-08 15:16:28 UTC ---
From gcc PR59017 (and a whole bunch of other PRs on the same topic that got closed as INVALID), the reasoning appears to be that the compiler is allowed to optimize to anything including infinite loops if it detects some trace of undefined behaviour. Actually there seems to be a bug in w_drawprim.c as the dash_list array is declared [16][2] while the loop tries to write to array elements with second dimension up to 3,5 or 7 , apparently relying on compact storage of the array to hit the desired element.
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