[Cherry-Pick][Wunsafe-buffer-usage] Fix false positives in handling string literals. (#115552)

swiftlang / llvm-project

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. This fork is used to manage Swift’s stable releases of Clang as well as support the Swift project.

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[Cherry-Pick][Wunsafe-buffer-usage] Fix false positives in handling string literals. (#115552) #9619

Closed malavikasamak closed 1 week ago

malavikasamak commented 1 week ago

Do not warn when a string literal is indexed and the idex value is within the bounds of the length of the string.

(rdar://139106996)

Co-authored-by: MalavikaSamak malavika2@apple.com (cherry picked from commit da032a609c1bde6f6775cf1650e08a205920d920)

malavikasamak commented 1 week ago

@swift-ci test