Here a backtrace in GDB, let me know if I can check anything for you there:
ubuntu@s1lp05:~/postgresql-12-12.2/build/tmp_install/usr/lib/postgresql/12/lib/bitcode$ gdb /usr/lib/llvm-10/bin/llvm-ltoGNU gdb (Ubuntu 9.1-0ubuntu1) 9.1 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "s390x-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/lib/llvm-10/bin/llvm-lto... Reading symbols from /usr/lib/debug/.build-id/2c/dfd421eef6cbe0600d24e01b38e71763bb4333.debug... (gdb) run -thinlto -thinlto-action=thinlink -o postgres.index.bc postgres/access/brin/brin.bc Starting program: /usr/lib/llvm-10/bin/llvm-lto -thinlto -thinlto-action=thinlink -o postgres.index.bc postgres/access/brin/brin.bc [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/s390x-linux-gnu/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. handleErrors<(lambda at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:988:33)>(void) () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:907 907 /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h: No such file or directory. (gdb) bt #0 handleErrors<(lambda at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:988:33)>(void) () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:907 #1 0x000003fff9d512e0 in handleAllErrors<(lambda at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:988:33)> () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:925 #2 toString () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/include/llvm/Support/Error.h:988 #3 0x000003fffab16536 in addModule () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/lib/LTO/ThinLTOCodeGenerator.cpp:515 #4 0x000000008001c5ce in thinLink () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/tools/llvm-lto/llvm-lto.cpp:577 #5 0x000000008001464a in run () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/tools/llvm-lto/llvm-lto.cpp:541 #6 main () at /build/llvm-toolchain-10-PvK6ID/llvm-toolchain-10-10.0.0~+rc3/llvm/tools/llvm-lto/llvm-lto.cpp:912 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867173 Title: FTBFS with llvm-10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain-10/+bug/1867173/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
