https://llvm.org/bugs/show_bug.cgi?id=24033
Bug ID: 24033
Summary: Redeclaration inconsistency between struct and int
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
The following program gives no error when compiling with clang:
namespace X {
struct i {};
}
namespace Y {
using X::i;
struct i {};
}
int main() {}
Let's use int instead of struct, then we get:
namespace X {
int i;
}
namespace Y {
using X::i;
int i;
}
int main() {}
This program gives a redefinition error when compiling with clang.
The only difference between the programs is the kind of entity used (struct or
int), but one compiles without errors and the other gives a redeclaration
error.
Maybe the standard is ambiguous what a redefinition is when it comes to
using-declarations. But shouldn't a compiler make its interpretation
consistently? What is the reason for this inconsistency?
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