r261266 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Jun  7 08:56:45 2018
New Revision: 261266

URL: https://gcc.gnu.org/viewcvs?rev=261266&root=gcc&view=rev
Log:
Default special members of regex types and add noexcept

	* include/bits/regex.h (sub_match): Add noexcept to default
	constructor and length observer.
	(match_results): Add noexcept to default constructor and observers
	with no preconditions. Define destructor as defaulted.
	(operator==, operator!=, swap): Add noexcept.
	(regex_iterator): Add default member initializers and define default
	constructor and destructor as defaulted. Add noexcept to equality
	and dereference operators.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/regex.h