[Bug c++/110114] [13/14 Regression] ICE on calling overloaded function in case of incomplete argument type and C++ designated initializers

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110114

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
This should work; I'll test it tomorrow.

--- a/gcc/cp/call.cc
+++ b/gcc/cp/call.cc
@@ -986,6 +986,11 @@ build_aggr_conv (tree type, tree ctor, int flags,
tsubst_flags_t complain)
   tree empty_ctor = NULL_TREE;
   hash_set<tree, true> pset;

+  /* We've called complete_type on TYPE before calling this function, but
+     perhaps it wasn't successful.  */
+  if (!COMPLETE_TYPE_P (type))
+    return nullptr;
+
   /* We already called reshape_init in implicit_conversion, but it might not
      have done anything in the case of parenthesized aggr init.  */