https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79572
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic Status|UNCONFIRMED |NEW Last reconfirmed| |2017-02-17 Target Milestone|--- |6.4 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed for the missing diagnostic. I'm not sure we should count this as regression for the sefault - eventually the new behavior should be documented in porting_to.html or changes.html and maybe a -fallow-null-references compatibility option can be added (well, quite late now).