https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
--- Comment #4 from Zdenek Sojka <zsojka at seznam dot cz> --- Created attachment 51557 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51557&action=edit another testcase, failing at -O $ x86_64-pc-linux-gnu-gcc -O testcase.c during RTL pass: expand testcase.c: In function 'foo': testcase.c:7:8: internal compiler error: in emit_move_insn, at expr.c:4026 7 | v *= -(v >> 4 * 8 - 1); | ^~~~~~~~~~~~~~~~~ 0x6b91fa emit_move_insn(rtx_def*, rtx_def*) /repo/gcc-trunk/gcc/expr.c:4026 0xe38a03 expand_gimple_stmt_1 /repo/gcc-trunk/gcc/cfgexpand.c:4006 0xe38a03 expand_gimple_stmt /repo/gcc-trunk/gcc/cfgexpand.c:4040 0xe3eaff expand_gimple_basic_block /repo/gcc-trunk/gcc/cfgexpand.c:6082 0xe406ce execute /repo/gcc-trunk/gcc/cfgexpand.c:6808 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.
