Public bug reported: This is not seen with 1:9.0.1-16.1ubuntu1, but with 1:9.0.1-16.1ubuntu4 (was in proposed, now removed, but copied to the ubuntu- toolchain-r/volatile PPA).
$ cat a-tst.i # 0 "tst.c" # 1 "/packages/gcc/snap/gcc-snapshot-20210918//" # 0 "<built-in>" # 0 "<command-line>" # 1 "tst.c" int main() { return 0; } Starting program: /usr/amdgcn-amdhsa/bin/ld --verbose --pie --export-dynamic /packages/gcc/snap/gcc-snapshot-20210918/build-gcn/./gcc/crt0.o -L/packages/gcc/snap/gcc-snapshot-20210918/build-gcn/./gcc -L/packages/gcc/snap/gcc-snapshot-20210918/build-gcn/amdgcn-amdhsa/newlib a-tst.o -lgcc -lc -lgcc [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". ld: /packages/gcc/snap/gcc-snapshot-20210918/build-gcn/./gcc/crt0.o ld: a-tst.o ld: /packages/gcc/snap/gcc-snapshot-20210918/build-gcn/./gcc/libgcc.a ld: /packages/gcc/snap/gcc-snapshot-20210918/build-gcn/amdgcn-amdhsa/newlib/libc.a ld: /packages/gcc/snap/gcc-snapshot-20210918/build-gcn/./gcc/libgcc.a [New Thread 0x7ffff2de4640 (LWP 4122224)] Thread 2 "ld" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7ffff2de4640 (LWP 4122224)] 0x00007ffff3bef68e in std::execute_native_thread_routine (__p=0x0) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:82 82 ../../../../../src/libstdc++-v3/src/c++11/thread.cc: No such file or directory. (gdb) bt #0 0x00007ffff3bef68e in std::execute_native_thread_routine (__p=0x0) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:82 #1 0x00007ffff38878d7 in start_thread (arg=<optimized out>) at pthread_create.c:434 #2 0x00007ffff3918510 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 (gdb) ** Affects: llvm-toolchain-9 (Ubuntu) Importance: Undecided Status: New ** Attachment added: "a-tst.o" https://bugs.launchpad.net/bugs/1944112/+attachment/5526402/+files/a-tst.o -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1944112 Title: segfault in the amdgcn assembler To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain-9/+bug/1944112/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs