[SR-14746] failed to produce diagnostic for expression

[wtholliday]

Previous ID	SR-14746
Radar	None
Original Reporter	@wtholliday
Type	Bug
Status	Resolved
Resolution	Done

Attachment: Download

Environment

Apple Swift version 5.4 (swiftlang-1205.0.26.9 clang-1205.0.19.55)

Target: x86_64-apple-darwin20.5.0

Additional Detail from JIRA

Votes	1
Component/s	Compiler
Labels	Bug
Assignee	None
Priority	Medium

md5: 388b011bd722857afef291f7117a34d9

Issue Description:

To reproduce, run attached file (`swift bug.swift`)

[typesanitizer]

This is fixed on main, please verify with Xcode 13 beta 1 or with a recent toolchain snapshot from swift.org.