Hi, tested x86_64-linux, committed to mainline.
Thanks, Paolo. /////////////////////////
2013-07-04 Paolo Carlini <paolo.carl...@oracle.com> PR c++/54998 * g++.dg/cpp0x/nsdmi-list3.C: New.
Index: g++.dg/cpp0x/nsdmi-list3.C =================================================================== --- g++.dg/cpp0x/nsdmi-list3.C (revision 0) +++ g++.dg/cpp0x/nsdmi-list3.C (working copy) @@ -0,0 +1,21 @@ +// PR c++/54998 +// { dg-do compile { target c++11 } } + +class Foo { +public: +private: + static const int kRows = 4; + static const int kCols = 4; + + union { + float m_n[kRows][kCols]; + float m_m[kRows * kCols] = { + 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + }; + }; +}; + +Foo myFoo;