LWG4459 Protect get_completion_signatures fold expression from overloaded commas

burblebee · tkoeppe · commit 1da2a2e04729 · 2025-12-14T14:37:32.000Z
Fixes NB US 214-355 (C++26 CD).
diff --git a/source/exec.tex b/source/exec.tex
@@ -1977,7 +1977,7 @@
 \effects
 Equivalent to:
 \begin{codeblock}
-(get_completion_signatures<@\exposid{child-type}@<Sndr, Is>, @\exposid{FWD-ENV-T}@(Env)...>(), ...);
+((void)get_completion_signatures<@\exposid{child-type}@<Sndr, Is>, @\exposid{FWD-ENV-T}@(Env)...>(), ...);
 \end{codeblock}
 
 \pnum
