"Unqualified lookup in templates" build failure(s)
clang 5.0
This code is accepted by g++. On purpose, clang 
does not accept this syntax.
// Uncomment this line will fix the issue.
// template<typename Value_t> void b(Value_t value)
template<typename Value_t> void a(Value_t value)
{
    b(value);
}
template<typename Value_t> void b(Value_t value)
{
}
void foo(int y)
{
    a(y);
}
| Package | Version | Supposed error message | Full log | Bug report | 
|---|
| anfo | 0.98-5 | stl_function.h:386:20: error: call to function 'operator<' that is neither visible in the template definition nor found by argument-dependent lookup | Log |  | 
             
1 errors