CWG1674 Return type deduction for address of function.
CWG1669 auto return type for main
CWG1684 Static constexpr member functions for non-literal classes
NB CA-26 Undefined behavior of line splice in raw string literal

Also fixes CWG1775.
NB CA-14 Out-of-lifetime lvalue-to-rvalue conversion.

Also fixes CWG1773.
NB CH-5 __func__ in a lambda body.

Also fixes NB CA-22 and CWG1772.
NB CA-15 Type matching of non-type template parameters and arguments.

Also fixes CWG1770.
NB CA-8 Scoped enumeration in a switch statement.

Also fixes CWG1767.
NB CA-7 Overflow of enumeration used as enumerator value.

Also fixes CWG1765.
NB CA-6 Hiding of function from using-declaration by signature.

Also fixes CWG1764.
NB CA-28 odr-use of class object in lvalue-to-rvalue conversion.

Also fixes CWG1741.
NB CA-27 Disambiguation of noexcept.

Fix mismatched parentheses in proposed resolution. To avoid ending the sentence
with two right parens, replace the unmatched opening paren with a comma.

Also fixes CWG1740.
CWG1691 Argument-dependent lookup and opaque enumerations.

Also fixes CWG1690 and CWG1692.
NB CA-18 Argument-dependent lookup of lambdas used in default arguments.

Also fixes CWG1664.