Hi, tested x86_64-linux, committed to mainline.
Thanks, Paolo. ///////////////////////////
2013-08-12 Paolo Carlini <paolo.carl...@oracle.com> PR c++/57416 * g++.dg/cpp0x/pr57416.C: New.
Index: g++.dg/cpp0x/pr57416.C =================================================================== --- g++.dg/cpp0x/pr57416.C (revision 0) +++ g++.dg/cpp0x/pr57416.C (working copy) @@ -0,0 +1,45 @@ +// PR c++/57416 +// { dg-do compile { target c++11 } } + +struct Nothing +{ +}; + +template <class PARENTDATA> +void func3 (PARENTDATA & p_parent_data) +{ + struct Data + { + PARENTDATA & parent_data = p_parent_data; // { dg-error "parameter" } + } data; +} + +template <class PARENTDATA> +void func2 (PARENTDATA & p_parent_data) +{ + struct Data + { + PARENTDATA & parent_data = p_parent_data; // { dg-error "parameter" } + } data; + + data.parent_data.x = 5; + func3(data); +} + +template <class PARENTDATA> +void func1 (PARENTDATA & p_parent_data) +{ + struct Data + { + PARENTDATA & parent_data = p_parent_data; // { dg-error "parameter" } + int x = 1; + } data; + + func2(data); +} + +int main() +{ + Nothing nothing; + func1(nothing); +}