http://llvm.org/bugs/show_bug.cgi?id=20373
Bug ID: 20373
Summary: Poor first diagnostic on ambiguous namespace reference
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Nicos-MacBook-Pro:src thakis$ cat test.cc
namespace Foo { class Bar {}; }
namespace A = Foo;
namespace { namespace A = Foo; }
void f() {
A::Bar b;
}
Nicos-MacBook-Pro:src thakis$ ~/src/llvm-build/bin/clang -c test.cc
test.cc:7:3: error: 'A' is not a class, namespace, or scoped enumeration
A::Bar b;
^
test.cc:7:3: error: reference to 'A' is ambiguous
A::Bar b;
^
test.cc:3:11: note: candidate found by name lookup is 'A'
namespace A = Foo;
^
test.cc:4:23: note: candidate found by name lookup is '(anonymous
namespace)::A'
namespace { namespace A = Foo; }
^
2 errors generated.
The second error is great, but the first shouldn't be there. We had this bug
somewhere and were building with -ferror-limit=1 for some reason, and due to
that first diagnostic it took me longer to understand what's going on than it
should have.
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