This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 112e. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
The grammar should be changed so that constructor function-try-blocks must end with a throw-expression.
No change is needed. It is already the case that flowing off the end of a function-try-block of a constructor rethrows the exception, and return statements are prohibited in constructor function-try-blocks (14.4 [except.handle] paragraphs 15-16.