[NFC][SanitizerSection] Store Section& instead of Entries and FileIdx (#162382)

Author: vitalybuka

clang/include/clang/Basic/SanitizerSpecialCaseList.h

@@ -57,12 +57,10 @@ class SanitizerSpecialCaseList : public llvm::SpecialCaseList {
   void createSanitizerSections();
 
   struct SanitizerSection {
-    SanitizerSection(SanitizerMask SM, SectionEntries &E, unsigned idx)
-        : Mask(SM), Entries(E), FileIdx(idx) {};
+    SanitizerSection(SanitizerMask SM, const Section &S) : Mask(SM), S(S) {};
 
     SanitizerMask Mask;
-    SectionEntries &Entries;
-    unsigned FileIdx;
+    const Section &S;
   };
 
   std::vector<SanitizerSection> SanitizerSections;

clang/lib/Basic/SanitizerSpecialCaseList.cpp

@@ -38,7 +38,7 @@ SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths,
 }
 
 void SanitizerSpecialCaseList::createSanitizerSections() {
-  for (auto &S : Sections) {
+  for (const auto &S : Sections) {
     SanitizerMask Mask;
 
 #define SANITIZER(NAME, ID)                                                    \
@@ -50,7 +50,7 @@ void SanitizerSpecialCaseList::createSanitizerSections() {
 #undef SANITIZER
 #undef SANITIZER_GROUP
 
-    SanitizerSections.emplace_back(Mask, S.Entries, S.FileIdx);
+    SanitizerSections.emplace_back(Mask, S);
   }
 }
 
@@ -67,9 +67,9 @@ SanitizerSpecialCaseList::inSectionBlame(SanitizerMask Mask, StringRef Prefix,
   for (const auto &S : llvm::reverse(SanitizerSections)) {
     if (S.Mask & Mask) {
       unsigned LineNum =
-          SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category);
+          SpecialCaseList::inSectionBlame(S.S.Entries, Prefix, Query, Category);
       if (LineNum > 0)
-        return {S.FileIdx, LineNum};
+        return {S.S.FileIdx, LineNum};
     }
   }
   return NotFound;