https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65579
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |paolo.carlini at oracle dot com
--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Hi Martin. Are you still actively working on this? Because something
implementing as trivially as the below what Jason suggested on the mailing list
already appears to pass testing, shouldn't be *that* far from an actual fix...
Index: decl.c
===================================================================
--- decl.c (revision 253091)
+++ decl.c (working copy)
@@ -12348,7 +12348,11 @@
/* Set constexpr flag on vars (functions got it in grokfndecl). */
if (constexpr_p && VAR_P (decl))
- DECL_DECLARED_CONSTEXPR_P (decl) = true;
+ {
+ DECL_DECLARED_CONSTEXPR_P (decl) = true;
+ if (!processing_template_decl)
+ complete_type (TREE_TYPE (decl));
+ }
/* Record constancy and volatility on the DECL itself . There's
no need to do this when processing a template; we'll do this
