[Bug c++/71075] Broken diagnostic: 'integer_cst' not supported by 'dump_decl'

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71075

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
This should fix it:

--- a/gcc/cp/error.c
+++ b/gcc/cp/error.c
@@ -1269,6 +1269,14 @@ dump_decl (cxx_pretty_printer *pp, tree t, int flags)
       dump_type (pp, t, flags);
       break;

+    case VOID_CST:
+    case INTEGER_CST:
+    case REAL_CST:
+    case STRING_CST:
+    case COMPLEX_CST:
+      pp->constant (t);
+      break;
+
     default:
       pp_unsupported_tree (pp, t);
       /* Fall through to error.  */