https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91802
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P4 Status|UNCONFIRMED |NEW Last reconfirmed| |2019-09-19 CC| |kargl at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |kargl at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from kargl at gcc dot gnu.org --- Index: gcc/fortran/decl.c =================================================================== --- gcc/fortran/decl.c (revision 275969) +++ gcc/fortran/decl.c (working copy) @@ -8468,6 +8468,15 @@ attr_decl1 (void) goto cleanup; } + /* Check F2018:C822. */ + if (sym->attr.dimension && sym->attr.codimension + && sym->as && sym->as->rank + sym->as->corank > 15) + { + gfc_error ("rank + corank of %qs exceeds 15 at %C", sym->name); + m = MATCH_ERROR; + goto cleanup; + } + if (sym->attr.cray_pointee && sym->as != NULL) { /* Fix the array spec. */ Index: gcc/testsuite/gfortran.dg/pr91802.f90 =================================================================== --- gcc/testsuite/gfortran.dg/pr91802.f90 (nonexistent) +++ gcc/testsuite/gfortran.dg/pr91802.f90 (working copy) @@ -0,0 +1,9 @@ +! { dg-do compile } +! { dg-options "-fcoarray=single" } +! Code contributed by Gerhard Steinmetz +! PR fortran/91802 +module m + real :: x + dimension :: x(1,2,1,2,1,2,1,2) + codimension :: x[1,2,1,2,1,2,1,*] ! { dg-error "exceeds 15" } +end