[LLVMbugs] [Bug 21221] New: bogus unused-local-typedef warning

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21221

            Bug ID: 21221
           Summary: bogus unused-local-typedef warning
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: Axel.Naumann at cern.ch
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Hi,

I'd claim A_t is used:

$ clang --version
clang version 3.6.0 (trunk 219303)
Target: x86_64-unknown-linux-gnu
Thread model: posix
$ cat T.cxx
struct A{};
void f(A* o) {
   typedef A A_t;
   o->~A_t();
}
$ clang -c -Wunused-local-typedef T.cxx
T.cxx:3:14: warning: unused typedef 'A_t' [-Wunused-local-typedef]
   typedef A A_t;
             ^
1 warning generated.

Thanks for looking at it!

Cheers, Axel.

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