Blue Gaston 68923d4035 Adds valid arguments to -sanitize-coverage: pc-table and inline-8bit-counter. ...

As is, you cannot set all default fuzzer options directly using -sanitize-coverage. Because of this you can use default fuzzer sanitize-coverage args, or a limited number coverage options.

This PR adds pc-table and inline-8bit-counter as valid args to be parsed for sanitize-coverage flag. These are default fuzzer options -- and will allow customizing sanitizer-coverage in variations of fuzzer defaults. (i.e. w/o pc-table enabled).

In upstream clang the option -fno-sanitize-coverage exists to disable various coverage options. Swift currently does not have a convention of using excluding args for sanitizer flags. This aims to limit the need for a new flag by inclusively setting desired coverage up to current fuzzer defaults.

rdar://127881891

2024-05-13 07:51:25 -07:00

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