Launchpad has imported 3 comments from the remote bug at http://llvm.org/bugs/show_bug.cgi?id=20871.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2014-09-06T21:52:13+00:00 Tor Klingberg wrote: Created attachment 13004 The C source file that triggers the bug When I try to compile a certain short C-file with clang for a 32-bit i386 target with optimization, I get this linker error: /tmp/addup-b0948d.o:/home/tor/c/addup.c:function addup: error: undefined reference to '__multi3' As I understand it, __multi3 is a 128-bit function, and not available on 32-bit i386. The C source does not use and 128-bit types, only 64-bit. With the versions of clang-3.4 and 3.5 in the Ubuntu repositories, clang segfaults instead. Reported here: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain- snapshot/+bug/1365701 Reply at: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain- snapshot/+bug/1365701/comments/7 ------------------------------------------------------------------------ On 2014-09-06T21:53:29+00:00 Tor Klingberg wrote: Created attachment 13005 Preprocessed source Reply at: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain- snapshot/+bug/1365701/comments/8 ------------------------------------------------------------------------ On 2014-09-06T21:53:59+00:00 Tor Klingberg wrote: Created attachment 13006 Run script Reply at: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain- snapshot/+bug/1365701/comments/9 ** Changed in: llvm Status: Unknown => Confirmed ** Changed in: llvm Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1365701 Title: clang crashed with SIGSEGV, reproducible with c file To manage notifications about this bug go to: https://bugs.launchpad.net/llvm/+bug/1365701/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs