compiler dev: if a function doesn't read or write memory I can speculatively execute it function: hi. I'm a division http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20150824/296521.html …
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@RichFelker Multiple times, I believe -
@FioraAeterna How can they not have a regression test for this? *sigh* -
@RichFelker they include every bug ever as a regression test, but there's a million subtle different ways this bug can exist -
@RichFelker i.e. it's not all literally the same bug, just the same category -- accidentally moving a trapping instruction into a dominator -
@FioraAeterna It seems like, after having the same class of bug multiple times, someone would devise a general test to catch variants of it. -
@RichFelker the problem with compilers is that testing all cases is basically impossible :/
End of conversation
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