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[SR-13683] multiple internal derivatives of the same function cause symbol redefinition linker error #54383

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marcrasi mannequin opened this issue Dec 17, 2019 · 1 comment
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[SR-13683] multiple internal derivatives of the same function cause symbol redefinition linker error #54383

marcrasi mannequin opened this issue Dec 17, 2019 · 1 comment

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@marcrasi
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Mannequin

marcrasi mannequin commented Dec 17, 2019

Previous ID SR-13683
Radar None
Original Reporter @marcrasi
Type Sub-task
Status Closed
Resolution Won't Do
Additional Detail from JIRA
Votes 0
Component/s
Labels Sub-task
Assignee None
Priority Medium

md5: 8e71e27346c00e04a40fed96ee2ae168

Parent-Task:

  • SR-13659 Retroactive derivative registration

Issue Description:

After #28790 is merged, uncomment the `df` in `extension FunctionInModule1_InternalDerivatives` in `test/AutoDiff/Inputs/derivative_registration/module2/module2.swift`. Then run `test/AutoDiff/derivative_registration.swift` and get:

/usr/bin/ld.gold: error: /usr/local/google/home/marcrasi/swift-base/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/AutoDiff/Output/derivative_registration.swift.tmp/module2.o: multiple definition of 'AD__$s7module137FunctionInModule1_InternalDerivativesO1fyS2fFZ_PSURS'
/usr/bin/ld.gold: /usr/local/google/home/marcrasi/swift-base/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/AutoDiff/Output/derivative_registration.swift.tmp/module1.o: previous definition here
/usr/bin/ld.gold: error: /usr/local/google/home/marcrasi/swift-base/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/AutoDiff/Output/derivative_registration.swift.tmp/module2.o: multiple definition of 'AD__$s7module137FunctionInModule1_InternalDerivativesO1fyS2fFZ__jvp_src_0_wrt_0'
/usr/bin/ld.gold: /usr/local/google/home/marcrasi/swift-base/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/AutoDiff/Output/derivative_registration.swift.tmp/module1.o: previous definition here
/usr/bin/ld.gold: error: /usr/local/google/home/marcrasi/swift-base/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/AutoDiff/Output/derivative_registration.swift.tmp/module2.o: multiple definition of 'AD__$s7module137FunctionInModule1_InternalDerivativesO1fyS2fFZ__vjp_src_0_wrt_0'
/usr/bin/ld.gold: /usr/local/google/home/marcrasi/swift-base/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/AutoDiff/Output/derivative_registration.swift.tmp/module1.o: previous definition here
@marcrasi
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marcrasi mannequin commented Jan 8, 2020

Obsolete because I'm closing the PR that causes this.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
This issue was closed.
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