https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71139
Bug ID: 71139
Summary: [concepts] ill-formed compound-requirement lacking a
semicolon not rejected
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: tom at honermann dot net
CC: andrew.n.sutton at gmail dot com, asutton at gcc dot gnu.org
Target Milestone: ---
The following ill-formed code is not rejected by gcc r236238. According to the
Concepts TS § 5.1.4.3, the compound-requirement must include a terminating
semicolon.
$ cat a.cpp
template<typename T>
concept bool C = requires(T t) {
{ +t }
}; // expected error: expected ‘;’ before ‘}’ token
static_assert(C<int>);
$ svn info
Path: .
Working Copy Root Path: /home/tom/src/gcc-trunk
URL: svn://gcc.gnu.org/svn/gcc/trunk
Relative URL: ^/trunk
Repository Root: svn://gcc.gnu.org/svn/gcc
Repository UUID: 138bc75d-0d04-0410-961f-82ee72b054a4
Revision: 236239
Node Kind: directory
Schedule: normal
Last Changed Author: uros
Last Changed Rev: 236238
Last Changed Date: 2016-05-14 05:07:13 -0400 (Sat, 14 May 2016)
$ g++ --version
g++ (GCC) 7.0.0 20160514 (experimental)
...
$ g++ -c -std=c++1z -fconcepts a.cpp; echo $?
0
