[COMMITTED] gccrs: Make constexpr constructors type-checking more permissive

[Arthur Cohen]

From: Philip Herron <philip.her...@embecosm.com>

gcc/rust/ChangeLog:

        * backend/rust-constexpr.cc (eval_store_expression): Remove invalid
        assertion on constexpr constructors.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/rust/backend/rust-constexpr.cc | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/gcc/rust/backend/rust-constexpr.cc 
b/gcc/rust/backend/rust-constexpr.cc
index 8efb4301d09..8623816236c 100644
--- a/gcc/rust/backend/rust-constexpr.cc
+++ b/gcc/rust/backend/rust-constexpr.cc
@@ -2953,14 +2953,14 @@ eval_store_expression (const constexpr_ctx *ctx, tree 
t, bool lval,
       TREE_SIDE_EFFECTS (*valp) = TREE_SIDE_EFFECTS (init);
       CONSTRUCTOR_NO_CLEARING (*valp) = CONSTRUCTOR_NO_CLEARING (init);
     }
-  else if (TREE_CODE (init) == CONSTRUCTOR
-          && !same_type_ignoring_top_level_qualifiers_p (TREE_TYPE (init),
-                                                         type))
-    {
-      /* See above on initialization of empty bases.  */
-      gcc_assert (is_empty_class (TREE_TYPE (init)) && !lval);
-      return init;
-    }
+  // else if (TREE_CODE (init) == CONSTRUCTOR
+  //          && !same_type_ignoring_top_level_qualifiers_p (TREE_TYPE (init),
+  //                                                     type))
+  //   {
+  //     /* See above on initialization of empty bases.  */
+  //     // gcc_assert (is_empty_class (TREE_TYPE (init)) && !lval);
+  //     return init;
+  //   }
   else
     *valp = init;
 
-- 
2.39.1