[LLVMbugs] [Bug 19828] New: Assertion failed: isa<X>(Val) && "cast<Ty>() argument of incompatible type!", file ..\include\llvm/Support/Casting.h, line 237

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19828

            Bug ID: 19828
           Summary: Assertion failed: isa<X>(Val) && "cast<Ty>() argument
                    of incompatible type!", file
                    ..\include\llvm/Support/Casting.h, line 237
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: timurrrr at google.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

I got the following failure
Assertion failed: isa<X>(Val) && "cast<Ty>() argument of incompatible type!",
file ..\include\llvm/Support/Casting.h, line 237

on the following trivial repro on Windows:
----------------
struct A {
  A();
  virtual void f(void*);
};

struct B : virtual A {
  B();
};

B::B() {}
----------------

$ clang.exe -c test.cpp
 -> Assertion failure

$ clang-cl.exe -c test.cpp
 -> OK, no crashing

Reproduces for me as of r209455

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