Hi, On 2022-03-03 12:45:22 -0500, Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > On 2022-03-03 12:13:40 -0500, Tom Lane wrote: > >> Hmph. I tried enabling -fsanitize=undefined here, and I get some > >> complaints about passing null pointers to memcmp and the like, but > >> nothing about this shift (tested with clang 12.0.1 on RHEL8 as well > >> as clang 13.0.0 on Fedora 35). > > > We should fix these passing-null-pointer cases... > > Yeah, working on that now. But I'm pretty confused about why I can't > duplicate this shift complaint. Alma is a Red Hat clone no? Why > doesn't its compiler act the same as RHEL8's?
I didn't see that either. It could be a question of building with full optimizations / asserts vs without? > > Need to manually add -ldl, because -fsanitize breaks our dl test (it uses > > dlopen, but not dlsym). Was planning to submit a fix for that... > > Hmm ... didn't get through check-world yet, but I don't see that > so far. Oh, for me it doesn't even build. Perhaps one of the dependencies injects it as well? Greetings, Andres Freund