https://bugs.llvm.org/show_bug.cgi?id=47435
Bug ID: 47435
Summary: Missing diagnostic when using dependent base class via
template alias with dummy parameter.
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++17
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Consider the following c++ program:
class A
{
protected:
int x;
};
template<typename X>
using B = A;
template<typename T>
class C : public B<T>
{
public:
void f()
{
x = 0;
}
};
int main()
{
}
Compile it with "-std=c++17 -pedantic-errors".
Since the base class is dependent the name lookup of x should fail and an error
message should be outputed during compilation, but no error message was
outputed. Note that gcc correctly outputs an error message.
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