[LLVMbugs] [Bug 6706] New: Assertion: Sema doesn't consider destructor as used

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6706

           Summary: Assertion: Sema doesn't consider destructor as used
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: dgregor at apple.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


blackthorn:clang dgregor$ cat t.C
struct A { 
  virtual ~A();
};
struct B : virtual A { };
struct C : virtual A { };

struct D : B, C { 
  virtual void f();
  virtual ~D();
};

void D::f() { }

blackthorn:clang dgregor$ clang t.C
Assertion failed: (DD->isUsed() && "Sema doesn't consider destructor as
used."), function GetOrCreateLLVMFunction, file
/Users/dgregor/Projects/llvm/tools/clang/lib/CodeGen/CodeGenModule.cpp, line
803.
Stack dump:
0.    Program arguments: /Users/dgregor/Projects/llvm-make/bin/clang -cc1
-triple x86_64-apple-darwin10.0.0 -S -disable-free -main-file-name t.C
-pic-level 1 -mdisable-fp-elim -munwind-tables -target-cpu core2 -resource-dir
/Users/dgregor/Projects/llvm-make/lib/clang/1.5 -fmessage-length 80
-stack-protector 1 -fblocks -fexceptions -fdiagnostics-show-option
-fcolor-diagnostics -o
/var/folders/Vf/VfsrpcXeFyKWp16pSa7tMk+++TI/-Tmp-/cc-vIddp2.s -x c++ t.C 
1.    <eof> parser at end of file
2.    t.C:12:9: LLVM IR generation of declaration 'D::f'
3.    t.C:12:9: Generating code for declaration 'D::f'

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