On 11 Mar 2016, at 10:27, Willem Jan Withagen <[email protected]> wrote: > > CURRENT has recently received the upgrade to Clang 3.8. > > Now I run into the problem that some of the tests with Ceph are all of a > sudden failing.... > Mainly manifesting itself because of access errors thru pointers in > very complex records structs. (Which is almost always in C++ :) ) > Either pointers are 0x0, or to invalid memory. > > This can be attributed to a few things, some of them: > - changes in the Ceph code > Which is possible since I rebased since I started using 3.8. > - Subtle difference in corner cases, and overlaping structs get written > wrongly. > - A compiler bug > - other issues .... > > Ceph is run thru extensive tests while building, after which there is another > large QA testset run by the Ceph-team in their openstack with even more and > complexer tests. So real programming "errors" would be caught in this process. > > To exclude the compiler I'd like to run a compile/build/test run with 3.7 > Can I just install the ports 3.7 version without endangering my 3.8 current > installation. Then it'll just be set 'CC=clang37 C++=clang37++ make' and > see what comes of it.
Yes, that should work without any problems. -Dimitry
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