https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86942
Bug ID: 86942
Summary: A trailing-return-type is allowed when the return type
is not 'auto' for using declarations
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: blitzrakete at gmail dot com
Target Milestone: ---
void test() -> void; // fail => ok
using function = void() -> int; // allowed?!?
int f();
int main() {
function *Boo = f; // not ok; trailing return type is ignored
}
The above code fails to compile on the latest gcc trunk. It is invalid as a
trailing-return-type can only appear if the return type of the function is
'auto'.
No arguments to g++ necessary. Online demo: https://godbolt.org/g/XtSw6T
