Brian Hicks (Sep 21 2022 at 14:45): Brian Hicks (Sep 21 2022 at 14:45):just an FYI: looks like the changes I made to Dict in the last couple weeks do not work out so well in practice (all sorts of weird memory addresses when @Ilias Van Peer and I tried to use it just now.) I'm gonna spend some time later cuddled up with lldb and to figure it out.
Ayaz Hafiz (Sep 21 2022 at 14:48):May be worth also looking at the LLVM code generated on the rust side (cargo rustc -- --emit=llvm-ir), vs the LLVM roc generates (roc build ... --debug) - I've found that helpful for initial debugging of ABI bugs
Brian Hicks (Sep 21 2022 at 15:09):mmm, I'll keep that in mind. I think in this case it's probably just bad accesses inside that RocDictItem union. We were putting "HELLO" in a string, for example, and getting segfaults when we tried to read 0x4f4c4c4548 (OLLEH)
Brian Hicks (Sep 21 2022 at 15:10):(well it was masking the H but you get the idea. Using a small string as an address, which means we probably weren't reading the right offset into the memory)
Ayaz Hafiz (Sep 21 2022 at 15:11):that makes sense
Last updated: Jul 26 2025 at 12:14 UTC