diff options
Diffstat (limited to 'gcc/fortran/resolve.c')
| -rw-r--r-- | gcc/fortran/resolve.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index 04e03cc..fdde894 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -9406,10 +9406,19 @@ resolve_symbol (gfc_symbol *sym) if (sym->attr.procedure && sym->ts.interface && sym->attr.if_source != IFSRC_DECL) { + if (sym->ts.interface == sym) + { + gfc_error ("PROCEDURE '%s' at %L may not be used as its own " + "interface", sym->name, &sym->declared_at); + return; + } if (sym->ts.interface->attr.procedure) - gfc_error ("Interface '%s', used by procedure '%s' at %L, is declared " - "in a later PROCEDURE statement", sym->ts.interface->name, - sym->name,&sym->declared_at); + { + gfc_error ("Interface '%s', used by procedure '%s' at %L, is declared" + " in a later PROCEDURE statement", sym->ts.interface->name, + sym->name,&sym->declared_at); + return; + } /* Get the attributes from the interface (now resolved). */ if (sym->ts.interface->attr.if_source |