[llvm] [SpecialCaseList] Remove ./ from file path (PR #162437)

[Florian Mayer via llvm-commits]

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@@ -164,12 +167,16 @@ bool SpecialCaseList::parse(unsigned FileIdx, const MemoryBuffer *MB,
   // https://discourse.llvm.org/t/use-glob-instead-of-regex-for-specialcaselists/71666
   bool UseGlobs = Version > 1;
 
+  bool RemoveDotSlash = Version > 2;
+
   Section *CurrentSection;
   if (auto Err = addSection("*", FileIdx, 1).moveInto(CurrentSection)) {
     Error = toString(std::move(Err));
     return false;
   }
 
+  constexpr StringRef PathPrefixes[] = {"src", "!src", "mainfile", "source"};
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fmayer wrote:

can you add a comment why we have this list of prefixes?

https://github.com/llvm/llvm-project/pull/162437