[flang][cuda] Allow POINTER component to have device attribute (#126116)

Author: clementval

flang/lib/Semantics/check-declarations.cpp

@@ -989,9 +989,9 @@ void CheckHelper::CheckObjectEntity(
       }
       break;
     case common::CUDADataAttr::Device:
-      if (isComponent && !IsAllocatable(symbol)) {
+      if (isComponent && !IsAllocatable(symbol) && !IsPointer(symbol)) {
         messages_.Say(
-            "Component '%s' with ATTRIBUTES(DEVICE) must also be allocatable"_err_en_US,
+            "Component '%s' with ATTRIBUTES(DEVICE) must also be allocatable or pointer"_err_en_US,
             symbol.name());
       }
       break;

flang/test/Semantics/cuf03.cuf

@@ -54,6 +54,14 @@ module m
   !ERROR: Object 'um' with ATTRIBUTES(UNIFIED) must be declared in a host subprogram
   real, unified :: um
 
+  type :: t3
+  !ERROR: Component 'r' with ATTRIBUTES(DEVICE) must also be allocatable or pointer
+    real, device :: r
+    real, device, pointer :: rp ! ok
+    real, device, allocatable :: ra ! ok
+    real, device, pointer, contiguous :: rpc ! ok
+  end type
+
  contains
   attributes(device) subroutine devsubr(n,da,rs)
     integer, intent(in) :: n