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[SR-10003] Compiler segfault EarlyRedundantLoadElimination #52406

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swift-ci opened this issue Feb 26, 2019 · 3 comments
Closed

[SR-10003] Compiler segfault EarlyRedundantLoadElimination #52406

swift-ci opened this issue Feb 26, 2019 · 3 comments
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@eeckstein
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself optimized only Flag: An issue whose reproduction requires optimized compilation

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@swift-ci
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Previous ID SR-10003
Radar rdar://problem/48445856
Original Reporter rayfix (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

MacBook Pro, Mohave, Xcode Version 10.1 (10B61). [Also happens using the latest Xcode beta.

swiftc --version

Apple Swift version 5.0 (swiftlang-1001.0.63.8 clang-1001.0.43)

Target: x86_64-apple-darwin18.2.0

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, OptimizedOnly
Assignee @eeckstein
Priority Medium

md5: eeb5da94e6e0a25634741ab3a0c5a8eb

Issue Description:

When I compile the attached code using Xcode Version 10.1 (10B61), or the beta, I get a segfault.

Here is the command the I run:

swiftc -O SilCrash.swift

1. While running pass #12691 SILFunctionTransform "EarlyRedundantLoadElimination" on SILFunction "@$s8SilCrash4RectV8segmentsSayAA7SegmentVGvg".
@belkadan
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cc @eeckstein

@eeckstein
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reproduced

@eeckstein
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Fixed in #22993

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@eeckstein eeckstein

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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself optimized only Flag: An issue whose reproduction requires optimized compilation
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@belkadan @eeckstein @swift-ci