[NFC][SpecialCaseList] Precommit Version 4 tests (#167282)

At the moment the behavior is no different from
Version 3.

Author: vitalybuka

llvm/unittests/Support/SpecialCaseListTest.cpp

@@ -308,43 +308,49 @@ TEST_F(SpecialCaseListTest, Version2) {
 }
 
 TEST_F(SpecialCaseListTest, DotSlash) {
-  std::unique_ptr<SpecialCaseList> SCL2 = makeSpecialCaseList("[dot]\n"
-                                                              "fun:./foo\n"
-                                                              "src:./bar\n"
-                                                              "[not]\n"
-                                                              "fun:foo\n"
-                                                              "src:bar\n");
-  std::unique_ptr<SpecialCaseList> SCL3 = makeSpecialCaseList("[dot]\n"
-                                                              "fun:./foo\n"
-                                                              "src:./bar\n"
-                                                              "[not]\n"
-                                                              "fun:foo\n"
-                                                              "src:bar\n",
-                                                              /*Version=*/3);
+  StringRef IgnoreList = "[dot]\n"
+                         "fun:./foo\n"
+                         "src:./bar\n"
+                         "[not]\n"
+                         "fun:foo\n"
+                         "src:bar\n";
+  std::unique_ptr<SpecialCaseList> SCL2 = makeSpecialCaseList(IgnoreList);
+  std::unique_ptr<SpecialCaseList> SCL3 =
+      makeSpecialCaseList(IgnoreList, /*Version=*/3);
+  std::unique_ptr<SpecialCaseList> SCL4 = makeSpecialCaseList(IgnoreList,
+                                                              /*Version=*/4);
 
   EXPECT_TRUE(SCL2->inSection("dot", "fun", "./foo"));
   EXPECT_TRUE(SCL3->inSection("dot", "fun", "./foo"));
+  EXPECT_TRUE(SCL4->inSection("dot", "fun", "./foo"));
 
   EXPECT_FALSE(SCL2->inSection("dot", "fun", "foo"));
   EXPECT_FALSE(SCL3->inSection("dot", "fun", "foo"));
+  EXPECT_FALSE(SCL4->inSection("dot", "fun", "foo"));
 
   EXPECT_TRUE(SCL2->inSection("dot", "src", "./bar"));
   EXPECT_FALSE(SCL3->inSection("dot", "src", "./bar"));
+  EXPECT_FALSE(SCL4->inSection("dot", "src", "./bar"));
 
   EXPECT_FALSE(SCL2->inSection("dot", "src", "bar"));
   EXPECT_FALSE(SCL3->inSection("dot", "src", "bar"));
+  EXPECT_FALSE(SCL4->inSection("dot", "src", "bar"));
 
   EXPECT_FALSE(SCL2->inSection("not", "fun", "./foo"));
   EXPECT_FALSE(SCL3->inSection("not", "fun", "./foo"));
+  EXPECT_FALSE(SCL4->inSection("not", "fun", "./foo"));
 
   EXPECT_TRUE(SCL2->inSection("not", "fun", "foo"));
   EXPECT_TRUE(SCL3->inSection("not", "fun", "foo"));
+  EXPECT_TRUE(SCL4->inSection("not", "fun", "foo"));
 
   EXPECT_FALSE(SCL2->inSection("not", "src", "./bar"));
   EXPECT_TRUE(SCL3->inSection("not", "src", "./bar"));
+  EXPECT_TRUE(SCL4->inSection("not", "src", "./bar"));
 
   EXPECT_TRUE(SCL2->inSection("not", "src", "bar"));
   EXPECT_TRUE(SCL3->inSection("not", "src", "bar"));
+  EXPECT_TRUE(SCL4->inSection("not", "src", "bar"));
 }
 
 TEST_F(SpecialCaseListTest, LinesInSection) {