https://bugs.llvm.org/show_bug.cgi?id=46214
Bug ID: 46214
Summary: Clang can not compile typename with non-type in using
declaration
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
cat test.cc
namespace g_namespace {
int var = 9;
typedef int C;
}
int main() {
using typename g_namespace::var; //fails
using typename g_namespace::C; //ok
return 0;
}
$clang++-trunk test.cc
<source>:6:31: error: 'typename' keyword used on a non-type
using typename g_namespace::var; //fails
^
<source>:2:9: note: target of using declaration
int var = 9;
^
1 error generated.
Execution build compiler returned: 1
Reproduced in godbolt: https://godbolt.org/z/MgR7GF
In GCC, test.cc is compiled well.
I am wondering that is it Clang still not support this feature that
using-declaration with a non-type typename or this is a bug in clang?
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