[Bug c++/114525] [12/13/14/15 Regression] Incorrect code generated when setting a value through a pointer-to-member on a ternary returning an object reference

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114525

--- Comment #5 from Simon Martin <simartin at gcc dot gnu.org> ---
I'm back to this PR after a long while. I'm currently testing the following
patch, that fixes the PR testcase

diff --git a/gcc/cp/typeck2.cc b/gcc/cp/typeck2.cc
index 1adc05aa86d..45edd180173 100644
--- a/gcc/cp/typeck2.cc
+++ b/gcc/cp/typeck2.cc
@@ -2387,7 +2387,7 @@ build_m_component_ref (tree datum, tree component,
tsubst_flags_t complain)
                                      (cp_type_quals (type)
                                       | cp_type_quals (TREE_TYPE (datum))));

-      datum = build_address (datum);
+      datum = cp_build_addr_expr (datum, complain);

       /* Convert object to the correct base.  */
       if (binfo)