Package: gdc-10 Version: 10.1.0-1 Severity: normal This is for gdc-10. I tested it with gdc-9 and it works without a crash.
$ cat bench.d // ============= import std.conv : to; int main(string[] args) { return cast(int)to!float(args[1]); } // =========== $ $ gdc-10 -flto -O2 -fno-weak -o bench_gdc10 bench.d during IPA pass: cp lto1: internal compiler error: in possibly_call_in_translation_unit_p, at cgraph.c:4092 0x7f0422eade0a __libc_start_main ../csu/libc-start.c:308 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <file:///usr/share/doc/gcc-10/README.Bugs> for instructions. lto-wrapper: fatal error: gdc-10 returned 1 exit status compilation terminated. /usr/bin/ld: error: lto-wrapper failed collect2: error: ld returned 1 exit status -- System Information: Debian Release: bullseye/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1, 'experimental-debug'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.2.0-3-amd64 (SMP w/32 CPU cores) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages gdc-10 depends on: ii g++-10 10.1.0-1 ii gcc-10-base 10.1.0-1 ii libc6 2.30-7 ii libgmp10 2:6.2.0+dfsg-4 ii libgphobos-10-dev 10.1.0-1 ii libisl22 0.22.1-1 ii libmpc3 1.1.0-1 ii libmpfr6 4.0.2-1 ii libzstd1 1.4.4+dfsg-3 ii zlib1g 1:1.2.11.dfsg-2 gdc-10 recommends no packages. gdc-10 suggests no packages. -- no debconf information