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[SR-13828] [C, C++] Import redefined macros. #56226

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zoecarver opened this issue Nov 5, 2020 · 3 comments
Closed

[SR-13828] [C, C++] Import redefined macros. #56226

zoecarver opened this issue Nov 5, 2020 · 3 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. c++ interop Feature: Interoperability with C++ compiler The Swift compiler in itself

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@zoecarver
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Previous ID SR-13828
Radar None
Original Reporter @zoecarver
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, CxxInterop
Assignee None
Priority Medium

md5: 919c9a5b52ecdb54bc414e68e2876cda

Issue Description:

Currently when trying to import a macro that has been "redefined" the compiler runs into an infinite loop. We should be able to import "redefined" macros properly, though.

Here's an example:

#define FOO 0 
#define TMP_FOO FOO 
#undef FOO 
#define FOO TMP_FOO
@zoecarver
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Resolved by #​34587.

@zoecarver
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@swift-ci create

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@zoecarver
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@swift-ci create

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@zoecarver zoecarver added c++ interop Feature: Interoperability with C++ and removed CxxInterop labels Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. c++ interop Feature: Interoperability with C++ compiler The Swift compiler in itself
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@zoecarver