[LLVMbugs] [Bug 6648] New: getASTRecordLayout crash on valid

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6648

           Summary: getASTRecordLayout crash on valid
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


gcc accepts this code bug clang crashes with

ASTContext.cpp:1196: const clang::ASTRecordLayout&
clang::ASTContext::getASTRecordLayout(const clang::RecordDecl*): Assertion `D
&& "Cannot get layout of forward declarations!"' failed.

--------------------------
struct A {
  ~A();
};
template <typename T>
struct B {
  A x;
};
struct C {
public:
  template <typename T>
  operator B<T>() const;
};
C foo;
template <typename F>
struct D {
};
D<int>& zed(const B<int>&);
void foobar() {
  zed(foo);
}
-------------------------

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