LWG3742 deque::prepend_range needs to permute

Author: burblebee

source/containers.tex

@@ -2008,6 +2008,12 @@
 \expects
 \tcode{T} is \oldconcept{EmplaceConstructible} into \tcode{X}
 from \tcode{*ranges::begin(rg)}.
+For \tcode{deque},
+\tcode{T} is also \oldconcept{MoveInsertable} into \tcode{X}, and
+\tcode{T} meets the
+\oldconcept{MoveConstructible},
+\oldconcept{MoveAssignable}, and
+\oldconcept{Swappable}\iref{swappable.requirements} requirements.
 
 \pnum
 \effects