Revert unnecessary change

Author: ahatanak

clang/lib/CodeGen/CGExprConstant.cpp

@@ -2352,9 +2352,6 @@ ConstantEmitter::tryEmitPrivate(const APValue &Value, QualType DestType,
                                  EnablePtrAuthFunctionTypeDiscrimination)
         .tryEmit();
   case APValue::Int:
-    if (DestType.getPointerAuth() && Value.getInt() != 0) {
-      return nullptr;
-    }
     return llvm::ConstantInt::get(CGM.getLLVMContext(), Value.getInt());
   case APValue::FixedPoint:
     return llvm::ConstantInt::get(CGM.getLLVMContext(),