[OpenACC] Initialize 'dynamic_refcount' whenever we initialize 'refcount'

Cases missed in r261813 "Update OpenACC data clause semantics to the 2.5
behavior".

	libgomp/
	* target.c (gomp_load_image_to_device, omp_target_associate_ptr):
	Initialize 'dynamic_refcount' whenever we initialize 'refcount'.

Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r279230

libgomp/ChangeLog

+2019-12-11  Thomas Schwinge  <thomas@codesourcery.com>
+	    Julian Brown  <julian@codesourcery.com>
+
+	* target.c (gomp_load_image_to_device, omp_target_associate_ptr):
+	Initialize 'dynamic_refcount' whenever we initialize 'refcount'.
+
 2019-12-11  Tobias Burnus  <tobias@codesourcery.com>
 
 	* omp_lib.h.in: Fix spelling of function declaration

libgomp/target.c

@@ -1334,6 +1334,7 @@ gomp_load_image_to_device (struct gomp_device_descr *devicep, unsigned version,
       k->tgt = tgt;
       k->tgt_offset = target_table[i].start;
       k->refcount = REFCOUNT_INFINITY;
+      k->dynamic_refcount = 0;
       k->link_key = NULL;
       array->left = NULL;
       array->right = NULL;
@@ -1366,6 +1367,7 @@ gomp_load_image_to_device (struct gomp_device_descr *devicep, unsigned version,
       k->tgt = tgt;
       k->tgt_offset = target_var->start;
       k->refcount = target_size & link_bit ? REFCOUNT_LINK : REFCOUNT_INFINITY;
+      k->dynamic_refcount = 0;
       k->link_key = NULL;
       array->left = NULL;
       array->right = NULL;
@@ -2627,6 +2629,7 @@ omp_target_associate_ptr (const void *host_ptr, const void *device_ptr,
       k->tgt = tgt;
       k->tgt_offset = (uintptr_t) device_ptr + device_offset;
       k->refcount = REFCOUNT_INFINITY;
+      k->dynamic_refcount = 0;
       array->left = NULL;
       array->right = NULL;
       splay_tree_insert (&devicep->mem_map, array);