Fortran: fix checking of elemental functions of type CLASS

gcc/fortran/ChangeLog:

	PR fortran/103606
	* resolve.c (resolve_fl_procedure): Do not access CLASS components
	before class container has been built.

gcc/testsuite/ChangeLog:

	PR fortran/103606
	* gfortran.dg/pr103606.f90: New test.

diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 0ed3197..bff1b35 100644 (file)
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -13294,7 +13294,8 @@ resolve_fl_procedure (gfc_symbol *sym, int mp_flag)
 
   /* An elemental function is required to return a scalar 12.7.1  */
   if (sym->attr.elemental && sym->attr.function
-      && (sym->as || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)->as)))
+      && (sym->as || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+                     && CLASS_DATA (sym)->as)))
     {
       gfc_error ("ELEMENTAL function %qs at %L must have a scalar "
                 "result", sym->name, &sym->declared_at);

diff --git a/gcc/testsuite/gfortran.dg/pr103606.f90 b/gcc/testsuite/gfortran.dg/pr103606.f90
new file mode 100644 (file)
index 0000000..4328318
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr103606.f90
@@ -0,0 +1,12 @@
+! { dg-do compile }
+! PR fortran/103606 -  ICE in resolve_fl_procedure
+! Contributed by G.Steinmetz
+
+program p
+  type t
+  end type
+contains
+  elemental function f() result(z) ! { dg-error "CLASS variable" }
+    class(t) :: z
+  end
+end