[Bug c++/58328] New: [C++11] bogus: error: constructor required before non-static data member for

[ppluzhnikov at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58328

            Bug ID: 58328
           Summary: [C++11] bogus: error: constructor required before
                    non-static data member for
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ppluzhnikov at google dot com

Google ref: b/10634418

This appears to be very similar to PR 57770

Using g++ (GCC) 4.9.0 20130904 (experimental)

cat t.cc

struct A {
  struct B {
    // B() {}  // Uncommenting this line makes it work.
    int y = 1; // Removing initializer makes it work.
  };

  A(const B& opts = B()) {}  // Removing default makes it work.
};


g++ -c t.cc -std=c++11
t.cc: In constructor 'A::B::B()':
t.cc:2:10: error: constructor required before non-static data member for
'A::B::y' has been parsed
   struct B {
          ^
t.cc: At global scope:
t.cc:7:23: note: synthesized method 'A::B::B()' first required here 
   A(const B& opts = B()) {}
                       ^