[Sanitizers] Add support for -sanitize=memtag-stack #85515
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This sanitizer adds MTE (memory tagging extension) checks to stack variable accesses. Enablement requires setting an attribute on function definitions, and the instrumentation is added by LLVM.
DanBlackwell
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ndrewh,
thetruestblue,
usama54321,
wrotki and
yln
DanBlackwell
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DougGregor,
artemcm and
rjmccall
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This sanitizer adds MTE (memory tagging extension) checks to stack variable accesses. Enablement simply requires setting an attribute on function definitions, and the instrumentation is added by LLVM.
The corresponding swift-driver change is at: swiftlang/swift-driver#2016.
rdar://161721201