Remove stalled TREE_READONLY flag on automatic variable

gcc/
	* gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
	when really creating an initialization statement for it.

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index b62ea0efc1cb589c0d254f32deefcd197ca8eb5a..ed825a93aa1b3c74dcd2ce69fd6ee9afc1c27abf 100644 (file)
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -1828,6 +1828,9 @@ gimplify_decl_expr (tree *stmt_p, gimple_seq *seq_p)
              init = build2 (INIT_EXPR, void_type_node, decl, init);
              gimplify_and_add (init, seq_p);
              ggc_free (init);
+             /* Clear TREE_READONLY if we really have an initialization.  */
+             if (!DECL_INITIAL (decl))
+               TREE_READONLY (decl) = 0;
            }
          else
            /* We must still examine initializers for static variables