[SR-12768] Typechecking @Published with a nested property wrapper leads to poor diagnostic #55213
Labels
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
property wrappers
Feature: property wrappers
type checker
Area → compiler: Semantic analysis
Additional Detail from JIRA
md5: 63bf602a60242938e94b3c2e998c7f8e
Issue Description:
(Swift 5.2.2, Xcode 11.4.1)
Using Published (from Foundation) nested with another property wrapper reliably causes a segfault. The minimal reproduction example I've managed to find is:
This causes a segfault with the following stacktrace:
Please let me know if I can provide more info! Happy to discuss further
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