Zero crashing on Linux-sparc with gcc-9

John Paul Adrian Glaubitz glaubitz at
Fri Sep 27 08:28:00 UTC 2019

Hi Andrew!

On 9/25/19 7:28 PM, Andrew Haley wrote:
>> Care to elaborate? What are the pointers in your opinion? It builds fine
>> with gcc-7 and it used to build fine with older snapshot versions of
>> gcc-8. I haven't tracked down yet which gcc patch introduced the
>> breakage.
> It could be a bug in the JVM. I have recently debugged problems which
> were due to undefined behaviour in HotSpot. It wouldn't be a terrible
> idea to run with GCC's UB Sanitizer and fix a few of the bugs.

Thanks for the pointers. I will have another look next week at the issue
and see if I can find something in the JVM code with the UB sanitizer.


 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz at
`. `'   Freie Universitaet Berlin - glaubitz at
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