http://llvm.org/bugs/show_bug.cgi?id=8755
Summary: "class X" where X names a typedef has a worse error
when X is templated
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
This testcase shows a case where clang emits a worse error, just due to the
template:
template <typename T>
struct A {
typedef int iterator;
};
template <typename T>
void f() {
class A <T> ::iterator foo;
}
void g() {
f<int>();
}
which generates:
b3264413.cc:8:17: error: no class named 'iterator' in 'A<int>'
class A <T> ::iterator foo;
^
b3264413.cc:12:3: note: in instantiation of function template specialization
'f<int>' requested here
f<int>();
^
1 error generated.
while the untemplated example:
struct A {
typedef int iterator;
};
void f() {
class A::iterator foo;
}
generates the much nicer:
class.cc:6:12: error: elaborated type refers to a typedef
class A::iterator foo;
^
class.cc:2:15: note: declared here
typedef int iterator;
^
1 error generated.
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