Andrew Trick 080b68292d Fix a compiler crash with '@'_lifetime(inout x), add diagnostic ...

This is a common mistake made more common be suggestions of existing diagnostic
that tell users not to use a 'copy' dependency.

Report a diagnostic error rather than crashing the compiler. Fix the diagnostic
output to make sense relative to the source location.

Fixes rdar://154136015 ([nonescapable] compiler assertion with @_lifetime(x: inout x))

2025-06-25 16:34:43 -07:00

98 KiB

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