Fix C++ libgomp regressions

This is only a stopgap fix.

gcc/
	* gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
	DECL which is a reference for OMP.

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index ed825a93aa1b3c74dcd2ce69fd6ee9afc1c27abf..54bf59ab9d02f36cead4fbd465ae90634e551589 100644 (file)
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -1829,7 +1829,7 @@ gimplify_decl_expr (tree *stmt_p, gimple_seq *seq_p)
              gimplify_and_add (init, seq_p);
              ggc_free (init);
              /* Clear TREE_READONLY if we really have an initialization.  */
-             if (!DECL_INITIAL (decl))
+             if (!DECL_INITIAL (decl) && !omp_is_reference (decl))
                TREE_READONLY (decl) = 0;
            }
          else