https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84717
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |documentation Status|UNCONFIRMED |NEW Last reconfirmed| |2018-03-05 Summary|C compiler accepts fortran |suffix for double constant |style suffix "d" with float |is a GCC extension is not |number but result is |documented |strange | Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Extension but not documented as far as I can see.