)]}'
{
  "commit": "b4e53e9b3c963b1c0fe9637618dec8042764f599",
  "tree": "0032767bbbe11287e921f5bc1f0c57867ebfa7b5",
  "parents": [
    "f137a7c6b122e524294fb792bb97d5f3b0600c4f"
  ],
  "author": {
    "name": "Jason Merrill",
    "email": "jason@redhat.com",
    "time": "Mon Mar 02 14:42:47 2020 -0500"
  },
  "committer": {
    "name": "Jason Merrill",
    "email": "jason@redhat.com",
    "time": "Mon Mar 02 15:49:58 2020 -0500"
  },
  "message": "c++: Allow parm of empty class type in constexpr.\n\nSince copying a class object is defined in terms of the copy constructor,\ncopying an empty class is OK even if it would otherwise not be usable in a\nconstant expression.  Relatedly, using a parameter as an lvalue is no more\nproblematic than a local variable, and calling a member function uses the\nobject as an lvalue.\n\ngcc/cp/ChangeLog\n2020-03-02  Jason Merrill  \u003cjason@redhat.com\u003e\n\n\tPR c++/91953\n\t* constexpr.c (potential_constant_expression_1) [PARM_DECL]: Allow\n\tempty class type.\n\t[COMPONENT_REF]: A member function reference doesn\u0027t use the object\n\tas an rvalue.\n\n\n",
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