[LLVMbugs] [Bug 16926] New: crash on missing typename on dependent name

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16926

            Bug ID: 16926
           Summary: crash on missing typename on dependent name
           Product: clang
           Version: 3.3
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: 4c37f23e53a3 at 7db1b5ea0a98.anonbox.net
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

the invalid code

template <typename T>
struct A{
 template <typename U>
 struct B{};
};

template <typename T>
struct A2{
 template <typename U>
 struct B2{
  typedef /*typename*/ A<T>::template B<U> foo;
  foo bar;
 };
};

int main(){
 A2<int>::B2<int> bang;
 return 0;
}

crashes on

clang version 3.3 (tags/RELEASE_33/rc3)
Target: x86_64-redhat-linux-gnu
Thread model: posix

instead of complaining about the missing typename. This happens at
instantiation time, a "A2<int>::B2<int>* bang=0;" works.

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