https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99558
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
Status|UNCONFIRMED |RESOLVED
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to J. Hart from comment #0)
> $ g++ -c -o utl2.o utl2.cc
> utl2.cc: In function "int main()":
> utl2.cc:13:5: error: no matching function for call to "cls4::cls4(int&, int)"
>
> correct argument type: constant used as argument, first argument is
> correctly shown as "int"
GCC is correct. When you use a variable you are passing an lvalue of type int,
which is what int& means. When you pass a constant it is an rvalue, i.e. int.
>
> $ g++ -D DBG1 -c -o utl2.o utl2.cc
> utl2.cc: In function "int main()":
> utl2.cc:13:5: error: no matching function for call to "cls4::cls4(int, int)"
Because you're passing two rvalues.
