935   auto CCI = const_cast<const SwitchInst *>(SI)->case_begin();  in TEST()  local
937   ASSERT_NE(CCI, SI->case_end());  in TEST()
938   EXPECT_EQ(1, CCI->getCaseValue()->getSExtValue());  in TEST()
939   EXPECT_EQ(BB1.get(), CCI->getCaseSuccessor());  in TEST()
940   EXPECT_EQ(2, (CCI + 1)->getCaseValue()->getSExtValue());  in TEST()
941   EXPECT_EQ(BB2.get(), (CCI + 1)->getCaseSuccessor());  in TEST()
942   EXPECT_EQ(3, (CCI + 2)->getCaseValue()->getSExtValue());  in TEST()
943   EXPECT_EQ(BB3.get(), (CCI + 2)->getCaseSuccessor());  in TEST()
944   EXPECT_EQ(CCI + 1, std::next(CCI));  in TEST()
945   EXPECT_EQ(CCI + 2, std::next(CCI, 2));  in TEST()
946   EXPECT_EQ(CCI + 3, std::next(CCI, 3));  in TEST()
947   EXPECT_EQ(CCE, CCI + 3);  in TEST()
948   EXPECT_EQ(0, CCI - CCI);  in TEST()
949   EXPECT_EQ(1, (CCI + 1) - CCI);  in TEST()
950   EXPECT_EQ(2, (CCI + 2) - CCI);  in TEST()
951   EXPECT_EQ(3, CCE - CCI);  in TEST()
952   EXPECT_EQ(3, std::distance(CCI, CCE));  in TEST()
955   const auto &Handle = *CCI;  in TEST()