https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87967
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|FIXED |--- --- Comment #7 from David Binderman <dcb314 at hotmail dot com> --- Seems re-broken sometime between revision 280100 and 2810150. No -O3 required. /home/dcb/gcc/results.280000/bin/gcc /home/dcb/gcc/results.280050/bin/gcc /home/dcb/gcc/results.280100/bin/gcc /home/dcb/gcc/results.280150/bin/gcc ../../rak/string_manip.h:180:5: internal compiler error: tree check: expected integer_cst, have mult_expr in to_wide, at tree.h:5860 I'll have a go at reducing the code.