1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index 1510904..267655d 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -1116,6 +1116,12 @@ instantiate_element (struct sra_elt *elt)
   DECL_SOURCE_LOCATION (var) = DECL_SOURCE_LOCATION (base);
   DECL_ARTIFICIAL (var) = 1;
 
+  if (TREE_THIS_VOLATILE (elt->type))
+    {
+      TREE_THIS_VOLATILE (var) = 1;
+      TREE_SIDE_EFFECTS (var) = 1;
+    }
+
   if (DECL_NAME (base) && !DECL_IGNORED_P (base))
     {
       char *pretty_name = build_element_name (elt);