https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94016
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |wrong-debug Status|UNCONFIRMED |NEW Last reconfirmed| |2020-03-04 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I guess it would lead to confusing diagnostics as well and in the end is likely a fortran "preprocessor" bug. Consider another decl.inc being present in the src/.. directory.