[clang] [UBSan] Implement src:*=sanitize for UBSan (PR #140529)

[Vitaly Buka via cfe-commits]

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@@ -44,6 +44,12 @@ bool NoSanitizeList::containsFunction(SanitizerMask Mask,
 
 bool NoSanitizeList::containsFile(SanitizerMask Mask, StringRef FileName,
                                   StringRef Category) const {
+  unsigned NoSanLine = SSCL->inSectionBlame(Mask, "src", FileName, Category);
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vitalybuka wrote:

inSectionBlame return a single integes, but 
SSCL can be created from multiple ignore list files, you can repeat -fsanitize-ignorelist=

I I think you need to create a separate patch to  change inSectionBlame.
Note, there is llvm-project/llvm/unittests/Support/SpecialCaseListTest.cpp, you can test it there.

https://github.com/llvm/llvm-project/pull/140529