https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69060
Bug ID: 69060
Summary: Invalid 'cannot bind lvalue to rvalue' error
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ldionne.2 at gmail dot com
Target Milestone: ---
The following code does not compile on GCC trunk (g++ 6.0.0 20151226
experimental):
template <typename T>
struct hold {
T value;
T&& operator()() && {
return static_cast<T&&>(value);
}
};
bool result = hold<bool&&>{true}();
The error is
[snip]/bin/g++ -pedantic -std=c++1y -W -Wall -Wextra -c ../test/worksheet.cpp
../test/worksheet.cpp: In instantiation of ‘T&& hold<T>::operator()() && [with
T = bool&&]’:
../test/worksheet.cpp:1209:34: required from here
../test/worksheet.cpp:1205:38: error: cannot bind ‘bool’ lvalue to ‘bool&&’
return static_cast<T&&>(value);
^
Live example: http://melpon.org/wandbox/permlink/m9qGlrfGJLm218uh
