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[SR-7947] Xcode 10: Trap 6 in Merge swiftmodule #50482

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swift-ci opened this issue Jun 9, 2018 · 1 comment
Closed

[SR-7947] Xcode 10: Trap 6 in Merge swiftmodule #50482

swift-ci opened this issue Jun 9, 2018 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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swift-ci commented Jun 9, 2018

Previous ID SR-7947
Radar None
Original Reporter fabb (JIRA User)
Type Bug
Status Closed
Resolution Duplicate
Environment

Xcode 10 beta 1

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee None
Priority Medium

md5: 637c2b0770ead12f69fb4b5e8041ea03

duplicates:

  • SR-7879 UIEdgeInsets.zero use crashes Xcode 10/Swift 4.2 compiler

Issue Description:

Since Xcode 10 we cannot build our project anymore with SWIFT_COMPILATION_MODE = singlefile. For SWIFT_COMPILATION_MODE = wholemodule it compiles fine. For singlefile, we get the following build error:

<unknown>:0: error: fatal error encountered while reading from module 'Willhaben'; please file a bug report with your project and the crash log

*** DESERIALIZATION FAILURE (please include this section in any bug report) ***
result is ambiguous
0  swift                    0x00000001071dfc5a PrintStackTraceSignalHandler(void*) + 42
1  swift                    0x00000001071df066 SignalHandler(int) + 966
2  libsystem_platform.dylib 0x00007fff588eaf5a _sigtramp + 26
3  libsystem_platform.dylib 0x00007ffeec7ca328 _sigtramp + 2481845224
4  libsystem_c.dylib        0x00007fff586881ae abort + 127
5  swift                    0x000000010468599b swift::ModuleFile::fatal(llvm::Error) + 1915
6  swift                    0x00000001046bd4d2 swift::SILDeserializer::readGlobalVar(llvm::StringRef) + 1890
7  swift                    0x0000000104767f9a swift::SerializedSILLoader::getAllForModule(swift::Identifier, swift::FileUnit*) + 234
8  swift                    0x00000001034badbe performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 34750
9  swift                    0x00000001034af10f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 7839
10 swift                    0x0000000103458c48 main + 13144
11 libdyld.dylib            0x00007fff585dc015 start + 1
[..]
2.  While deserializing SIL global "UIEdgeInsetsZero"
error: Abort trap: 6
@swift-ci
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swift-ci commented Jun 9, 2018

Comment by Fabian Ehrentraud (JIRA)

I unfortunately cannot share the Xcode project, and didn't have time (and probably won't in the near future) to isolate the issue in a demo project. If I can provide additional output from the compiler or try out things that might help with finding the issue, I'm here to help.

Should I create a Radar as well?

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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