[Bug c++/118355] [12/13/14/15 Regression] cannot assign empty braced-init-list to struct containing array

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118355

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Maybe this, then.  Also fixes bug 118047.

--- a/gcc/cp/typeck2.cc
+++ b/gcc/cp/typeck2.cc
@@ -1571,7 +1571,7 @@ massage_init_elt (tree type, tree init, int nested, int
flags,
      defer this folding as well.  Don't call this on CONSTRUCTORs because
      their elements have already been folded, and we must avoid folding
      the result of get_nsdmi.  */
-  if (TREE_CODE (init) != CONSTRUCTOR)
+  if (!(processing_template_decl && TREE_CODE (init) == CONSTRUCTOR))
     {
       tree t = fold_non_dependent_init (init, complain);
       if (TREE_CONSTANT (t))