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-rw-r--r--gcc/fortran/resolve.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 4645b57..e03979e 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -13787,6 +13787,19 @@ resolve_symbol (gfc_symbol *sym)
(just like derived type declaration symbols have flavor FL_DERIVED). */
gcc_assert (sym->ts.type != BT_UNION);
+ /* Coarrayed polymorphic objects with allocatable or pointer components are
+ yet unsupported for -fcoarray=lib. */
+ if (flag_coarray == GFC_FCOARRAY_LIB && sym->ts.type == BT_CLASS
+ && sym->ts.u.derived && CLASS_DATA (sym)
+ && CLASS_DATA (sym)->attr.codimension
+ && (sym->ts.u.derived->attr.alloc_comp
+ || sym->ts.u.derived->attr.pointer_comp))
+ {
+ gfc_error ("Sorry, allocatable/pointer components in polymorphic (CLASS) "
+ "type coarrays at %L are unsupported", &sym->declared_at);
+ return;
+ }
+
if (sym->attr.artificial)
return;