We need to move for rvalue ref parms as well as value ones.
Tested x86_64-pc-linux-gnu, applying to trunk.
commit 29189e48dc7a62ff6a3a67984dbc64f4ada72862 Author: Jason Merrill <ja...@redhat.com> Date: Tue Feb 12 12:56:52 2013 -0500 PR c++/56285 * method.c (add_one_base_init): Handle base constructor taking rvalue reference parm. diff --git a/gcc/cp/method.c b/gcc/cp/method.c index a1bab95..ff29b59 100644 --- a/gcc/cp/method.c +++ b/gcc/cp/method.c @@ -500,7 +500,8 @@ add_one_base_init (tree binfo, tree parm, bool move_p, tree inh, for (; parm; parm = DECL_CHAIN (parm)) { tree exp = convert_from_reference (parm); - if (TREE_CODE (TREE_TYPE (parm)) != REFERENCE_TYPE) + if (TREE_CODE (TREE_TYPE (parm)) != REFERENCE_TYPE + || TYPE_REF_IS_RVALUE (TREE_TYPE (parm))) exp = move (exp); *p = build_tree_list (NULL_TREE, exp); p = &TREE_CHAIN (*p); diff --git a/gcc/testsuite/g++.dg/cpp0x/inh-ctor16.C b/gcc/testsuite/g++.dg/cpp0x/inh-ctor16.C new file mode 100644 index 0000000..58e848b --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/inh-ctor16.C @@ -0,0 +1,15 @@ +// PR c++/56285 +// { dg-options -std=c++11 } + +struct foo { + explicit foo(int&&) {} +}; + +struct bar: private foo { + using foo::foo; +}; + +int main() +{ + bar b { 42 }; +}