Clang 3.9.0

Is it known/expected that Swift will not build with Clang 3.9.0? My
personal build-bot recently updated its upstream dependency from Clang
3.8.1 to Clang 3.9.0 and since then it will not build the
swift-3.0.1-RELEASE. It seems that others have noticed this
(https://gist.github.com/eyeplum/94627aac7b4fa609108fd24b960a8805\) but I
don't know if it has been reported or not.

The actual build error looks like this:

swift: /build/swiftc/src/llvm/include/llvm/Support/Casting.h:95: static
bool llvm::isa_impl_cl<swift::InOutExpr, const swift::Expr
*>::doit(const From *) [To = swift::InOutExpr, From = const swift::Expr
*]: Assertion `Val && "isa<> used on a null pointer"' failed.
0 swift 0x0000000003316df5
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37
1 swift 0x00000000033152f6 llvm::sys::RunSignalHandlers() +
54
2 swift 0x00000000033174ba
3 libpthread.so.0 0x00007f8fd532d080
4 libc.so.6 0x00007f8fd3a4204f gsignal + 207
5 libc.so.6 0x00007f8fd3a4347a abort + 362
6 libc.so.6 0x00007f8fd3a3aea7
7 libc.so.6 0x00007f8fd3a3af52
8 swift 0x0000000000ffea91
9 swift 0x0000000001093a5b
10 swift 0x0000000001091d22
11 swift 0x0000000001093bb0
12 swift 0x0000000001091d4c
13 swift 0x0000000001093a6f
14 swift 0x0000000001091d22
15 swift 0x000000000109239e
16 swift 0x00000000010911de
swift::Expr::walk(swift::ASTWalker&) + 46
17 swift 0x0000000000ff5588
swift::performSyntacticExprDiagnostics(swift::TypeChecker&, swift::Expr
const*, swift::DeclContext const*, bool) + 680
18 swift 0x0000000000ecac4f
swift::TypeChecker::typeCheckExpression(swift::Expr*&,
swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose,
swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>,
swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) +
1023
19 swift 0x0000000000f48e1f
20 swift 0x0000000000f47a84
21 swift 0x0000000000f46d85
22 swift 0x0000000000f4602a
swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*,
swift::SourceLoc) + 330
23 swift 0x0000000000f45e89
swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*,
swift::SourceLoc) + 25
24 swift 0x0000000000f46a10
swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*)
+ 176
25 swift 0x0000000000f02a97
26 swift 0x0000000000f035d1
swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&,
swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int,
unsigned int) + 1249
27 swift 0x0000000000c9032b
swift::CompilerInstance::performSema() + 3723
28 swift 0x00000000007df2f8
29 swift 0x00000000007de21c
swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*,
swift::FrontendObserver*) + 2572
30 swift 0x00000000007a67af main + 3423
31 libc.so.6 0x00007f8fd3a2f291 __libc_start_main + 241
32 swift 0x00000000007a3cba _start + 42
Stack dump:
0. Program arguments:
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/bin/swift
-frontend -c /build/swiftc/src/swift/stdlib/public/core/Algorithm.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayBody.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayBufferProtocol.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayCast.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Arrays.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayType.swift
/build/swiftc/src/swift/stdlib/public/core/Assert.swift
/build/swiftc/src/swift/stdlib/public/core/AssertCommon.swift
/build/swiftc/src/swift/stdlib/public/core/BidirectionalCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Bool.swift
/build/swiftc/src/swift/stdlib/public/core/BridgeObjectiveC.swift
/build/swiftc/src/swift/stdlib/public/core/BridgeStorage.swift
/build/swiftc/src/swift/stdlib/public/core/Builtin.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/BuiltinMath.swift
/build/swiftc/src/swift/stdlib/public/core/Character.swift
/build/swiftc/src/swift/stdlib/public/core/CocoaArray.swift
/build/swiftc/src/swift/stdlib/public/core/Collection.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/CollectionAlgorithms.swift
/build/swiftc/src/swift/stdlib/public/core/Comparable.swift
/build/swiftc/src/swift/stdlib/public/core/CompilerProtocols.swift
/build/swiftc/src/swift/stdlib/public/core/ClosedRange.swift
/build/swiftc/src/swift/stdlib/public/core/ContiguousArrayBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/CString.swift
/build/swiftc/src/swift/stdlib/public/core/CTypes.swift
/build/swiftc/src/swift/stdlib/public/core/DebuggerSupport.swift
/build/swiftc/src/swift/stdlib/public/core/EmptyCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Equatable.swift
/build/swiftc/src/swift/stdlib/public/core/ErrorType.swift
/build/swiftc/src/swift/stdlib/public/core/Existential.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Filter.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FixedPoint.swift
/build/swiftc/src/swift/stdlib/public/core/FlatMap.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Flatten.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FloatingPoint.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FloatingPointParsing.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FloatingPointTypes.swift
/build/swiftc/src/swift/stdlib/public/core/Hashable.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/HashedCollections.swift
/build/swiftc/src/swift/stdlib/public/core/AnyHashable.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/HashedCollectionsAnyHashableExtensions.swift
/build/swiftc/src/swift/stdlib/public/core/Hashing.swift
/build/swiftc/src/swift/stdlib/public/core/HeapBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/ImplicitlyUnwrappedOptional.swift
/build/swiftc/src/swift/stdlib/public/core/Index.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Indices.swift
/build/swiftc/src/swift/stdlib/public/core/InputStream.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/IntegerArithmetic.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/IntegerParsing.swift
/build/swiftc/src/swift/stdlib/public/core/Join.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/LazyCollection.swift
/build/swiftc/src/swift/stdlib/public/core/LazySequence.swift
/build/swiftc/src/swift/stdlib/public/core/LifetimeManager.swift
/build/swiftc/src/swift/stdlib/public/core/ManagedBuffer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Map.swift
/build/swiftc/src/swift/stdlib/public/core/MemoryLayout.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Mirrors.swift
/build/swiftc/src/swift/stdlib/public/core/Misc.swift
/build/swiftc/src/swift/stdlib/public/core/MutableCollection.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/NewtypeWrapper.swift
/build/swiftc/src/swift/stdlib/public/core/ObjCMirrors.swift
/build/swiftc/src/swift/stdlib/public/core/Optional.swift
/build/swiftc/src/swift/stdlib/public/core/OptionSet.swift
/build/swiftc/src/swift/stdlib/public/core/OutputStream.swift
/build/swiftc/src/swift/stdlib/public/core/Pointer.swift
/build/swiftc/src/swift/stdlib/public/core/Policy.swift
/build/swiftc/src/swift/stdlib/public/core/Print.swift
/build/swiftc/src/swift/stdlib/public/core/RandomAccessCollection.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Range.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/RangeReplaceableCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Reflection.swift
/build/swiftc/src/swift/stdlib/public/core/Repeat.swift
/build/swiftc/src/swift/stdlib/public/core/REPL.swift
/build/swiftc/src/swift/stdlib/public/core/Reverse.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Runtime.swift
/build/swiftc/src/swift/stdlib/public/core/Sequence.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/SequenceAlgorithms.swift
/build/swiftc/src/swift/stdlib/public/core/SequenceWrapper.swift
/build/swiftc/src/swift/stdlib/public/core/SetAlgebra.swift
/build/swiftc/src/swift/stdlib/public/core/ShadowProtocols.swift
/build/swiftc/src/swift/stdlib/public/core/Shims.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Slice.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Sort.swift
/build/swiftc/src/swift/stdlib/public/core/StaticString.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Stride.swift
/build/swiftc/src/swift/stdlib/public/core/StringCharacterView.swift
/build/swiftc/src/swift/stdlib/public/core/String.swift
/build/swiftc/src/swift/stdlib/public/core/StringBridge.swift
/build/swiftc/src/swift/stdlib/public/core/StringBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/StringComparable.swift
/build/swiftc/src/swift/stdlib/public/core/StringCore.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/StringInterpolation.swift
/build/swiftc/src/swift/stdlib/public/core/StringLegacy.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/StringRangeReplaceableCollection.swift
/build/swiftc/src/swift/stdlib/public/core/StringIndexConversions.swift
/build/swiftc/src/swift/stdlib/public/core/StringUnicodeScalarView.swift
/build/swiftc/src/swift/stdlib/public/core/StringUTF16.swift
/build/swiftc/src/swift/stdlib/public/core/StringUTF8.swift
/build/swiftc/src/swift/stdlib/public/core/SwiftNativeNSArray.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnavailableStringAPIs.swift
/build/swiftc/src/swift/stdlib/public/core/Unicode.swift
/build/swiftc/src/swift/stdlib/public/core/UnicodeScalar.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnicodeTrie.swift
/build/swiftc/src/swift/stdlib/public/core/Unmanaged.swift
/build/swiftc/src/swift/stdlib/public/core/UnsafeBitMap.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafeBufferPointer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafeRawBufferPointer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafePointer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafeRawPointer.swift
/build/swiftc/src/swift/stdlib/public/core/WriteBackMutableSlice.swift
/build/swiftc/src/swift/stdlib/public/core/Availability.swift
/build/swiftc/src/swift/stdlib/public/core/CollectionOfOne.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/ExistentialCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Mirror.swift
/build/swiftc/src/swift/stdlib/public/core/CommandLine.swift
/build/swiftc/src/swift/stdlib/public/core/SliceBuffer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Tuple.swift
/build/swiftc/src/swift/stdlib/public/core/UnfoldSequence.swift
/build/swiftc/src/swift/stdlib/public/core/VarArgs.swift
/build/swiftc/src/swift/stdlib/public/core/Zip.swift
-disable-objc-attr-requires-foundation-module -target
x86_64-unknown-linux-gnu -disable-objc-interop -sdk / -I
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift/linux/x86_64
-module-cache-path
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./module-cache
-module-link-name swiftCore -nostdimport -parse-stdlib -resource-dir
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift
-group-info-path
/build/swiftc/src/swift/stdlib/public/core/GroupInfo.json
-sil-serialize-all -Xcc -D__SWIFT_CURRENT_DYLIB=swiftCore
-emit-module-doc-path
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift/linux/x86_64/Swift.swiftdoc
-O -parse-as-library -module-name Swift -emit-module-path
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift/linux/x86_64/Swift.swiftmodule
-o
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/linux/x86_64/Swift.o
1. While type-checking 'min' at
/build/swiftc/src/swift/stdlib/public/core/Algorithm.swift:19:8
2. While type-checking expression at
[/build/swiftc/src/swift/stdlib/public/core/Algorithm.swift:24:10 -
line:24:22] RangeText="y < x ? y : x"

I've tried updating the ternary operator into an if/else and that works.
Well that is until it hits the next ternary.

Yes. LLVM and Clang's interfaces are not stable. You must build Swift against the 'stable' branch of the 'swift-llvm' and 'swift-clang' forks.

-Joe

···

On Nov 29, 2016, at 8:48 AM, Ryan Lovelett via swift-dev <swift-dev@swift.org> wrote:

Is it known/expected that Swift will not build with Clang 3.9.0?

Is it known/expected that Swift will not build with Clang 3.9.0? My
personal build-bot recently updated its upstream dependency from Clang
3.8.1 to Clang 3.9.0 and since then it will not build the
swift-3.0.1-RELEASE. It seems that others have noticed this
(https://gist.github.com/eyeplum/94627aac7b4fa609108fd24b960a8805\) but I
don't know if it has been reported or not.

The actual build error looks like this:

swift: /build/swiftc/src/llvm/include/llvm/Support/Casting.h:95: static
bool llvm::isa_impl_cl<swift::InOutExpr, const swift::Expr
*>::doit(const From *) [To = swift::InOutExpr, From = const swift::Expr
*]: Assertion `Val && "isa<> used on a null pointer"' failed.
0 swift 0x0000000003316df5
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37
1 swift 0x00000000033152f6 llvm::sys::RunSignalHandlers() +
54
2 swift 0x00000000033174ba
3 libpthread.so.0 0x00007f8fd532d080
4 libc.so.6 0x00007f8fd3a4204f gsignal + 207
5 libc.so.6 0x00007f8fd3a4347a abort + 362
6 libc.so.6 0x00007f8fd3a3aea7
7 libc.so.6 0x00007f8fd3a3af52
8 swift 0x0000000000ffea91
9 swift 0x0000000001093a5b
10 swift 0x0000000001091d22
11 swift 0x0000000001093bb0
12 swift 0x0000000001091d4c
13 swift 0x0000000001093a6f
14 swift 0x0000000001091d22
15 swift 0x000000000109239e
16 swift 0x00000000010911de
swift::Expr::walk(swift::ASTWalker&) + 46
17 swift 0x0000000000ff5588
swift::performSyntacticExprDiagnostics(swift::TypeChecker&, swift::Expr
const*, swift::DeclContext const*, bool) + 680
18 swift 0x0000000000ecac4f
swift::TypeChecker::typeCheckExpression(swift::Expr*&,
swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose,
swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>,
swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) +
1023
19 swift 0x0000000000f48e1f
20 swift 0x0000000000f47a84
21 swift 0x0000000000f46d85
22 swift 0x0000000000f4602a
swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*,
swift::SourceLoc) + 330
23 swift 0x0000000000f45e89
swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*,
swift::SourceLoc) + 25
24 swift 0x0000000000f46a10
swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*)
+ 176
25 swift 0x0000000000f02a97
26 swift 0x0000000000f035d1
swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&,
swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int,
unsigned int) + 1249
27 swift 0x0000000000c9032b
swift::CompilerInstance::performSema() + 3723
28 swift 0x00000000007df2f8
29 swift 0x00000000007de21c
swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*,
swift::FrontendObserver*) + 2572
30 swift 0x00000000007a67af main + 3423
31 libc.so.6 0x00007f8fd3a2f291 __libc_start_main + 241
32 swift 0x00000000007a3cba _start + 42
Stack dump:
0. Program arguments:
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/bin/swift
-frontend -c /build/swiftc/src/swift/stdlib/public/core/Algorithm.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayBody.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayBufferProtocol.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayCast.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Arrays.swift
/build/swiftc/src/swift/stdlib/public/core/ArrayType.swift
/build/swiftc/src/swift/stdlib/public/core/Assert.swift
/build/swiftc/src/swift/stdlib/public/core/AssertCommon.swift
/build/swiftc/src/swift/stdlib/public/core/BidirectionalCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Bool.swift
/build/swiftc/src/swift/stdlib/public/core/BridgeObjectiveC.swift
/build/swiftc/src/swift/stdlib/public/core/BridgeStorage.swift
/build/swiftc/src/swift/stdlib/public/core/Builtin.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/BuiltinMath.swift
/build/swiftc/src/swift/stdlib/public/core/Character.swift
/build/swiftc/src/swift/stdlib/public/core/CocoaArray.swift
/build/swiftc/src/swift/stdlib/public/core/Collection.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/CollectionAlgorithms.swift
/build/swiftc/src/swift/stdlib/public/core/Comparable.swift
/build/swiftc/src/swift/stdlib/public/core/CompilerProtocols.swift
/build/swiftc/src/swift/stdlib/public/core/ClosedRange.swift
/build/swiftc/src/swift/stdlib/public/core/ContiguousArrayBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/CString.swift
/build/swiftc/src/swift/stdlib/public/core/CTypes.swift
/build/swiftc/src/swift/stdlib/public/core/DebuggerSupport.swift
/build/swiftc/src/swift/stdlib/public/core/EmptyCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Equatable.swift
/build/swiftc/src/swift/stdlib/public/core/ErrorType.swift
/build/swiftc/src/swift/stdlib/public/core/Existential.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Filter.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FixedPoint.swift
/build/swiftc/src/swift/stdlib/public/core/FlatMap.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Flatten.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FloatingPoint.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FloatingPointParsing.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/FloatingPointTypes.swift
/build/swiftc/src/swift/stdlib/public/core/Hashable.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/HashedCollections.swift
/build/swiftc/src/swift/stdlib/public/core/AnyHashable.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/HashedCollectionsAnyHashableExtensions.swift
/build/swiftc/src/swift/stdlib/public/core/Hashing.swift
/build/swiftc/src/swift/stdlib/public/core/HeapBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/ImplicitlyUnwrappedOptional.swift
/build/swiftc/src/swift/stdlib/public/core/Index.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Indices.swift
/build/swiftc/src/swift/stdlib/public/core/InputStream.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/IntegerArithmetic.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/IntegerParsing.swift
/build/swiftc/src/swift/stdlib/public/core/Join.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/LazyCollection.swift
/build/swiftc/src/swift/stdlib/public/core/LazySequence.swift
/build/swiftc/src/swift/stdlib/public/core/LifetimeManager.swift
/build/swiftc/src/swift/stdlib/public/core/ManagedBuffer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Map.swift
/build/swiftc/src/swift/stdlib/public/core/MemoryLayout.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Mirrors.swift
/build/swiftc/src/swift/stdlib/public/core/Misc.swift
/build/swiftc/src/swift/stdlib/public/core/MutableCollection.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/NewtypeWrapper.swift
/build/swiftc/src/swift/stdlib/public/core/ObjCMirrors.swift
/build/swiftc/src/swift/stdlib/public/core/Optional.swift
/build/swiftc/src/swift/stdlib/public/core/OptionSet.swift
/build/swiftc/src/swift/stdlib/public/core/OutputStream.swift
/build/swiftc/src/swift/stdlib/public/core/Pointer.swift
/build/swiftc/src/swift/stdlib/public/core/Policy.swift
/build/swiftc/src/swift/stdlib/public/core/Print.swift
/build/swiftc/src/swift/stdlib/public/core/RandomAccessCollection.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Range.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/RangeReplaceableCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Reflection.swift
/build/swiftc/src/swift/stdlib/public/core/Repeat.swift
/build/swiftc/src/swift/stdlib/public/core/REPL.swift
/build/swiftc/src/swift/stdlib/public/core/Reverse.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Runtime.swift
/build/swiftc/src/swift/stdlib/public/core/Sequence.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/SequenceAlgorithms.swift
/build/swiftc/src/swift/stdlib/public/core/SequenceWrapper.swift
/build/swiftc/src/swift/stdlib/public/core/SetAlgebra.swift
/build/swiftc/src/swift/stdlib/public/core/ShadowProtocols.swift
/build/swiftc/src/swift/stdlib/public/core/Shims.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Slice.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Sort.swift
/build/swiftc/src/swift/stdlib/public/core/StaticString.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Stride.swift
/build/swiftc/src/swift/stdlib/public/core/StringCharacterView.swift
/build/swiftc/src/swift/stdlib/public/core/String.swift
/build/swiftc/src/swift/stdlib/public/core/StringBridge.swift
/build/swiftc/src/swift/stdlib/public/core/StringBuffer.swift
/build/swiftc/src/swift/stdlib/public/core/StringComparable.swift
/build/swiftc/src/swift/stdlib/public/core/StringCore.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/StringInterpolation.swift
/build/swiftc/src/swift/stdlib/public/core/StringLegacy.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/StringRangeReplaceableCollection.swift
/build/swiftc/src/swift/stdlib/public/core/StringIndexConversions.swift
/build/swiftc/src/swift/stdlib/public/core/StringUnicodeScalarView.swift
/build/swiftc/src/swift/stdlib/public/core/StringUTF16.swift
/build/swiftc/src/swift/stdlib/public/core/StringUTF8.swift
/build/swiftc/src/swift/stdlib/public/core/SwiftNativeNSArray.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnavailableStringAPIs.swift
/build/swiftc/src/swift/stdlib/public/core/Unicode.swift
/build/swiftc/src/swift/stdlib/public/core/UnicodeScalar.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnicodeTrie.swift
/build/swiftc/src/swift/stdlib/public/core/Unmanaged.swift
/build/swiftc/src/swift/stdlib/public/core/UnsafeBitMap.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafeBufferPointer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafeRawBufferPointer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafePointer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/UnsafeRawPointer.swift
/build/swiftc/src/swift/stdlib/public/core/WriteBackMutableSlice.swift
/build/swiftc/src/swift/stdlib/public/core/Availability.swift
/build/swiftc/src/swift/stdlib/public/core/CollectionOfOne.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/ExistentialCollection.swift
/build/swiftc/src/swift/stdlib/public/core/Mirror.swift
/build/swiftc/src/swift/stdlib/public/core/CommandLine.swift
/build/swiftc/src/swift/stdlib/public/core/SliceBuffer.swift
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/8/Tuple.swift
/build/swiftc/src/swift/stdlib/public/core/UnfoldSequence.swift
/build/swiftc/src/swift/stdlib/public/core/VarArgs.swift
/build/swiftc/src/swift/stdlib/public/core/Zip.swift
-disable-objc-attr-requires-foundation-module -target
x86_64-unknown-linux-gnu -disable-objc-interop -sdk / -I
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift/linux/x86_64
-module-cache-path
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./module-cache
-module-link-name swiftCore -nostdimport -parse-stdlib -resource-dir
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift
-group-info-path
/build/swiftc/src/swift/stdlib/public/core/GroupInfo.json
-sil-serialize-all -Xcc -D__SWIFT_CURRENT_DYLIB=swiftCore
-emit-module-doc-path
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift/linux/x86_64/Swift.swiftdoc
-O -parse-as-library -module-name Swift -emit-module-path
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/./lib/swift/linux/x86_64/Swift.swiftmodule
-o
/build/swiftc/src/build/buildbot_linux/swift-linux-x86_64/stdlib/public/core/linux/x86_64/Swift.o
1. While type-checking 'min' at
/build/swiftc/src/swift/stdlib/public/core/Algorithm.swift:19:8
2. While type-checking expression at
[/build/swiftc/src/swift/stdlib/public/core/Algorithm.swift:24:10 -
line:24:22] RangeText="y < x ? y : x"

I've tried updating the ternary operator into an if/else and that works.
Well that is until it hits the next ternary.

You’re hitting issues in the Swift source that were exposed by the new clang and have since been fixed on master but are not fixed in the sources that are tagged swift-3.0.1-RELEASE.

Is there a reason you need to build from swift-3.0.1-RELEASE?

I think (but am not certain) these fixes are in swift-3.1-branch. Most if not all of the fixes mention problems with ArrayRef or problems building with a newer clang in the commit message. Unfortunately I don’t have a list of all the commits handy.

Mark

···

On Nov 29, 2016, at 8:48 AM, Ryan Lovelett via swift-dev <swift-dev@swift.org> wrote:

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