fix: assign grid_axis pointer components on device via GPU_PARALLEL to fix OpenMP struct pointer attachment

Author: sbryngelson

src/simulation/m_global_parameters.fpp

@@ -1228,6 +1228,9 @@ contains
         @:PREFER_GPU(dx)
         x%cb => x_cb; x%cc => x_cc; x%spacing => dx
         $:GPU_ENTER_DATA(attach='[x%cb, x%cc, x%spacing]')
+        #:call GPU_PARALLEL(default=None)
+            x%cb => x_cb; x%cc => x_cc; x%spacing => dx
+        #:endcall GPU_PARALLEL
 
         if (n == 0) return
         @:ALLOCATE(y_cb(-1 - buff_size:n + buff_size))
@@ -1238,6 +1241,9 @@ contains
         @:PREFER_GPU(dy)
         y%cb => y_cb; y%cc => y_cc; y%spacing => dy
         $:GPU_ENTER_DATA(attach='[y%cb, y%cc, y%spacing]')
+        #:call GPU_PARALLEL(default=None)
+            y%cb => y_cb; y%cc => y_cc; y%spacing => dy
+        #:endcall GPU_PARALLEL
 
         if (p == 0) return
         @:ALLOCATE(z_cb(-1 - buff_size:p + buff_size))
@@ -1248,6 +1254,9 @@ contains
         @:PREFER_GPU(dz)
         z%cb => z_cb; z%cc => z_cc; z%spacing => dz
         $:GPU_ENTER_DATA(attach='[z%cb, z%cc, z%spacing]')
+        #:call GPU_PARALLEL(default=None)
+            z%cb => z_cb; z%cc => z_cc; z%spacing => dz
+        #:endcall GPU_PARALLEL
 
     end subroutine s_initialize_global_parameters_module