[LLVMdev] some undefined behaviors in llvm/clang

[John Regehr]

My student Peng Li has a hacked clang that emits checks for lots of bad 
integer behaviors.  The code still has rough edges but we'll contribute it 
soon.

John



On Wed, 28 Jul 2010, Duncan Sands wrote:

> Hi John,
>
>> Below is a short list of integer undefined behaviors executed by Clang
>> when compiling the LLVM test suite.  They seem pretty self explanatory,
>> but let me know if not, if you cannot reproduce any of them, or if it
>> would be better for me to file bugzillas on them.  This is on x64 Linux,
>> using r108984.
>
> how did you obtain this interesting info?
>
> Thanks,
>
> Duncan.
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