http://llvm.org/bugs/show_bug.cgi?id=6553
Summary: Difference between clang and g++ in lookup of methods
of template base classes
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]
Blocks: 6023
The folowing code compiles fine with g++, clang++ wants fooNum to be qualified
(Foo<T>::fooNum). I'm not sure which compiler handles this case correctly, but
this affects boost (a similar construct is used in the OpenSSL backend of the
Boost ASIO library).
template <typename T>
struct Foo {
void fooNum(int newNum) {}
};
template <typename T>
struct Bar : public Foo<T> {
Bar(int i) {
fooNum(getNum());
}
int getNum() {return 23;}
};
int main() {
Bar<void> bar(42);
return 0;
}
g++ does find the fooNum method, as it considers getNum dependent on T, so it
also looks in Foo. Just calling 'fooNum(23);' fails with both compilers.
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