[LLVMbugs] [Bug 261] NEW: [llvmg++] "Cannot copy incompatible structs!" assertion

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=261

           Summary: [llvmg++] "Cannot copy incompatible structs!" assertion
           Product: tools
           Version: 1.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: llvm-g++
        AssignedTo: sabre at nondot.org
        ReportedBy: sabre at nondot.org


This testcase:

---
struct A {
  virtual void Method() = 0;
};

struct B : public A {
  virtual void Method() { }
};

typedef void (A::*fn_type_a)(void);
typedef void (B::*fn_type_b)(void);

int main(int argc, char **argv)
{
  fn_type_a f = reinterpret_cast<fn_type_a>(&B::Method);
  fn_type_b g = reinterpret_cast<fn_type_b>(f);
  B b;
  (b.*g)();
  return 0;
}
---

Causes the C++ front-end to crash.

-Chris



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