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? > 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. regards, tom lane