https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81394
Bug ID: 81394
Summary: wrong "useless cast" message in inheriting constructor
Product: gcc
Version: 6.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: f.heckenb...@fh-soft.de
Target Milestone: ---
% cat t.cpp
struct a
{
template <typename T> a (T && v) { }
};
struct b: a
{
using a::a;
};
int main ()
{
b { "foo" };
}
% g++ -Wuseless-cast t.cpp
t.cpp: In constructor 'b::b(T&&) [with T = const char (&)[4]]':
t.cpp:8:12: warning: useless cast to type 'const char (&)[4]' [-Wuseless-cast]
using a::a;
^
t.cpp: In function 'int main()':
t.cpp:13:13: note: synthesized method 'b::b(T&&) [with T = const char (&)[4]]'
first required here
b { "foo" };
^
