diff options
Diffstat (limited to 'lib/CodeGen/CGExprConstant.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprConstant.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp index 9289f78..d428983 100644 --- a/lib/CodeGen/CGExprConstant.cpp +++ b/lib/CodeGen/CGExprConstant.cpp @@ -167,7 +167,11 @@ class ConstStructBuilder { } // Or in the bits that go into the previous byte. - Tmp |= cast<llvm::ConstantInt>(Elements.back())->getValue(); + if (llvm::ConstantInt *Val = dyn_cast<llvm::ConstantInt>(Elements.back())) + Tmp |= Val->getValue(); + else + assert(isa<llvm::UndefValue>(Elements.back())); + Elements.back() = llvm::ConstantInt::get(CGM.getLLVMContext(), Tmp); if (FitsCompletelyInPreviousByte) |
