https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68860
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-12-14 CC| |jakub at gcc dot gnu.org, | |jamborm at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Discussed on the ml too: https://gcc.gnu.org/ml/gcc-patches/2015-12/msg01301.html The problem is that DW_OP_GNU_parameter_ref is for some reason not emitted for the arguments that are now newly optimized away completely.