[Bug c++/60027] New: Problem with braced-init-lists and explicit ctors

[joaquin at tid dot es]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60027

            Bug ID: 60027
           Summary: Problem with braced-init-lists and explicit ctors
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: joaquin at tid dot es

The following code compiled with -std=c++11: 

struct foo 
{ 
  foo(int){} 
}; 

struct bar 
{ 
  explicit bar(int){} 
}; 

void f(foo){} 
void f(bar){} 

int main() 
{ 
  f({0}); 
} 

yields:

main.cpp:16:8: error: call of overloaded 'f(<brace-enclosed initializer
list>)' is ambiguous 
   f({0}); 
        ^ 
main.cpp:16:8: note: candidates are: 
main.cpp:11:6: note: void f(foo) 
 void f(foo){} 
      ^ 
main.cpp:12:6: note: void f(bar) 
 void f(bar){} 
      ^ 

which seems incorrect as bar::bar(int) is explicit.

Joaquín M López Muñoz
Telefónica Digital