[LLVMbugs] [Bug 23261] New: assertion failure emitting lvalue CK_AddressSpaceCast

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=23261

            Bug ID: 23261
           Summary: assertion failure emitting lvalue CK_AddressSpaceCast
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: richard-llvm at metafoo.co.uk
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

This:

  int __attribute__((address_space(1))) a = 0;
  void f() { int &b = reinterpret_cast<int&>(a); }

results in:

clang-3.6: IR/Constants.cpp:1571: static llvm::Constant
*llvm::ConstantExpr::getCast(unsigned int, llvm::Constant *, llvm::Type *,
bool): Assertion `CastInst::castIsValid(opc, C, Ty) && "Invalid constantexpr
cast!"' failed.

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