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[SR-9125] Value Witness Table handling for Windows #51622

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compnerd opened this issue Oct 29, 2018 · 1 comment
Closed

[SR-9125] Value Witness Table handling for Windows #51622

compnerd opened this issue Oct 29, 2018 · 1 comment
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compiler The Swift compiler in itself

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@compnerd
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Previous ID SR-9125
Radar None
Original Reporter @compnerd
Type Sub-task
Status Closed
Resolution Duplicate
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Sub-task
Assignee None
Priority Medium

md5: 222440687f366393b2b48061dbb91e6c

Parent-Task:

blocks:

  • SR-9157 VWT need to emitted globally for PE/COFF

Issue Description:

Currently, we emit direct references to imported Value Witness Tables. We need to duplicate the Value Witness Tables globally as vtables in C++ are on PE/COFF.
@compnerd
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This shows up as unresolved symbol $sBoW errors in the build. Shows up really easily when building libdispatch's SDK overlay.

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