https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91854
--- Comment #3 from Sergei Trofimovich <slyfox at inbox dot ru> --- Created attachment 46908 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46908&action=edit bug-min-against-8.3.0.c While original sample fails both against 8.3.0 and 9.2.0 this distilled example fails only on gcc-8.3.0 and gcc-8-branch: $ LANG=C /home/slyfox/dev/git/gcc-sparc64/gcc/xgcc -B/home/slyfox/dev/git/gcc-sparc64/gcc -O2 -pipe -fPIC -mcpu=niagara4 -c bug-min-against-8.3.0.c -o bug.o ... {standard input}: Assembler messages: {standard input}:402: Error: Illegal operands