https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79815
Bug ID: 79815
Summary: gcc does not implement C++ standard 7.1.7.4.1 p5
correctly.
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: boostcpp at gmail dot com
Target Milestone: ---
ยง7.1.7.4.1 paragraph 5 said.
>If the placeholder is the decltype(auto) type-specifier, T shall be the
>placeholder alone.
Following code shall be ill-formed if compiled with -std=c++14.
Because it is not placeholder alone.
int const i{} ;
// ill-formed, But GCC accept this code.
decltype(auto) const x = i ;
Affect all version of GCC.
