[SpecialCaseList] Switch to Version 3.

The difference from Version 2 is that file path will be matched
twice: as is and after removing leading "./".

Pull Request: llvm#167283

Author: vitalybuka

llvm/lib/Support/SpecialCaseList.cpp

@@ -382,7 +382,7 @@ SpecialCaseList::addSection(StringRef SectionStr, unsigned FileNo,
 
 bool SpecialCaseList::parse(unsigned FileIdx, const MemoryBuffer *MB,
                             std::string &Error) {
-  unsigned long long Version = 2;
+  unsigned long long Version = 3;
 
   StringRef Header = MB->getBuffer();
   if (Header.consume_front("#!special-case-list-v"))

llvm/unittests/Support/SpecialCaseListTest.cpp

@@ -314,9 +314,9 @@ TEST_F(SpecialCaseListTest, DotSlash) {
                          "[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> SCL2 = makeSpecialCaseList(IgnoreList,
+                                                              /*Version=*/2);
+  std::unique_ptr<SpecialCaseList> SCL3 = makeSpecialCaseList(IgnoreList);
   std::unique_ptr<SpecialCaseList> SCL4 = makeSpecialCaseList(IgnoreList,
                                                               /*Version=*/4);