[clang] [llvm] [Sanitizer] Convert SpecialCaseList::Sections from StringMap to vector. (PR #140127)

[Vitaly Buka via cfe-commits]

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@@ -132,14 +132,15 @@ class SpecialCaseList {
   using SectionEntries = StringMap<StringMap<Matcher>>;
 
   struct Section {
-    Section(std::unique_ptr<Matcher> M) : SectionMatcher(std::move(M)){};
-    Section() : Section(std::make_unique<Matcher>()) {}
+    Section(std::unique_ptr<Matcher> M) : SectionMatcher(std::move(M)) {};
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vitalybuka wrote:

Try  to avoid mixing formatting unrelated changes with logic changes.
Either revert or move into a new PR

https://github.com/llvm/llvm-project/pull/140127