The Dec. 14 trunk snapshots onwards crash when compiling swift-collections trunk for linux

[finagolfin]

Description
I get the following extensive error output when simply trying to compile swift-collections trunk, which isn't reproducible with the last 1.0.4 tag of collections:

Building for debugging...
Broken instruction!
  return %64 : $()                                // id: %65
in scope
{
/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift:109:19
   parent: {
  /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift:107:17
     parent: @$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlF
    }

  }
Previous, non-contiguous scope set by  dealloc_stack %47 : $@noescape @callee_guaranteed (@guaranteed _Node<Key, Value>.Storage) -> (@out R, @error any Error) // id: %62
in scope
{
/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift:107:17
   parent: @$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlF
  }
Please report a bug on bugs.swift.org
Pass -Xllvm -verify-di-holes=false to disable the verification
SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope
Verifying instruction:
     %64 = tuple (), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":112:3, scope 0 // user: %65
->   return %64 : $(), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:5, scope 0 // id: %65
In function:
sil_scope 1 { loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":107:17 parent @$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlF : $@convention(method) <Ï„_0_0, Ï„_0_1 where Ï„_0_0 : Comparable><Ï„_1_0> (@noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1, Ï„_0_2 where Ï„_0_0 : Comparable> (_Node<Ï„_0_0, Ï„_0_1>.UnsafeHandle) -> (@out Ï„_0_2, @error any Error) for <Ï„_0_0, Ï„_0_1, Ï„_1_0>, @in_guaranteed _BTree<Ï„_0_0, Ï„_0_1>.Index) -> (@out Ï„_1_0, @error any Error) }
sil_scope 2 { loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":109:19 parent 1 }

// _BTree.Index.readNode<A>(_:)
sil [serialized] [always_inline] [ossa] @$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlF : $@convention(method) <Key, Value where Key : Comparable><R> (@noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1, Ï„_0_2 where Ï„_0_0 : Comparable> (_Node<Ï„_0_0, Ï„_0_1>.UnsafeHandle) -> (@out Ï„_0_2, @error any Error) for <Key, Value, R>, @in_guaranteed _BTree<Key, Value>.Index) -> (@out R, @error any Error) {
// %0 "$return_value"                             // user: %52
// %1 "body"                                      // users: %47, %3
// %2 "self"                                      // users: %44, %7, %4
bb0(%0 : $*R, %1 : $@noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1, Ï„_0_2 where Ï„_0_0 : Comparable> (_Node<Ï„_0_0, Ï„_0_1>.UnsafeHandle) -> (@out Ï„_0_2, @error any Error) for <Key, Value, R>, %2 : $*_BTree<Key, Value>.Index):
  debug_value %1 : $@noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1, Ï„_0_2 where Ï„_0_0 : Comparable> (_Node<Ï„_0_0, Ï„_0_1>.UnsafeHandle) -> (@out Ï„_0_2, @error any Error) for <Key, Value, R>, let, name "body", argno 1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":108:7, scope 1 // id: %3
  debug_value %2 : $*_BTree<Key, Value>.Index, let, name "self", argno 2, implicit, expr op_deref, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":107:17, scope 1 // id: %4
  debug_value undef : $any Error, var, name "$error", argno 3, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":109:5, scope 1 // id: %5
  %6 = alloc_stack [lexical] $_BTree<Key, Value>.Index, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:12, scope 2 // users: %19, %69, %63, %43, %7
  copy_addr %2 to [init] %6 : $*_BTree<Key, Value>.Index, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:12, scope 2 // id: %7
  %8 = string_literal utf8 "SortedCollections/_BTree.Index.swift", loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %10
  %9 = integer_literal $Builtin.Word, 36, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %14
  %10 = builtin "ptrtoint_Word"(%8 : $Builtin.RawPointer) : $Builtin.Word, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %14
  br bb1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // id: %11

bb1:                                              // Preds: bb0
  %12 = integer_literal $Builtin.Int8, 2, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %14
  br bb2, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // id: %13

bb2:                                              // Preds: bb1
  %14 = struct $StaticString (%10 : $Builtin.Word, %9 : $Builtin.Word, %12 : $Builtin.Int8), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %57
  %15 = integer_literal $Builtin.Int64, 110, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %16
  %16 = struct $UInt (%15 : $Builtin.Int64), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:11, scope 2 // user: %57
  br bb3, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // id: %17

bb3:                                              // Preds: bb2
  %18 = metatype $@thin Int.Type, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2
  %19 = struct_element_addr %6 : $*_BTree<Key, Value>.Index, #_BTree.Index.slot, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %20
  %20 = load [trivial] %19 : $*Int, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %21
  %21 = struct_extract %20 : $Int, #Int._value, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %23
  %22 = integer_literal $Builtin.Int64, -1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %23
  %23 = builtin "cmp_eq_Int64"(%21 : $Builtin.Int64, %22 : $Builtin.Int64) : $Builtin.Int1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %25
  %24 = integer_literal $Builtin.Int1, -1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %25
  %25 = builtin "xor_Int1"(%23 : $Builtin.Int1, %24 : $Builtin.Int1) : $Builtin.Int1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %27
  %26 = integer_literal $Builtin.Int1, -1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %27
  %27 = builtin "int_expect_Int1"(%25 : $Builtin.Int1, %26 : $Builtin.Int1) : $Builtin.Int1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %28
  cond_br %27, bb4, bb5, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // id: %28

bb4:                                              // Preds: bb3
  br bb6, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // id: %29

bb5:                                              // Preds: bb3
  %30 = string_literal utf8 "Assertion failed", loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %32
  %31 = integer_literal $Builtin.Word, 16, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %34
  %32 = builtin "ptrtoint_Word"(%30 : $Builtin.RawPointer) : $Builtin.Word, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %34
  %33 = integer_literal $Builtin.Int8, 2, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %34
  %34 = struct $StaticString (%32 : $Builtin.Word, %31 : $Builtin.Word, %33 : $Builtin.Int8), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %57
  %35 = string_literal utf8 "Invalid operation to read end index.", loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %40
  %36 = integer_literal $Builtin.Word, 36, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %40
  %37 = integer_literal $Builtin.Int1, -1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %40
  %38 = metatype $@thin String.Type, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %40
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %39 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %40
  %40 = apply %39(%35, %36, %37, %38) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %57
  br bb7, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // id: %41

bb6:                                              // Preds: bb4
  %42 = tuple (), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2
  destroy_addr %6 : $*_BTree<Key, Value>.Index, loc "<compiler-generated>":0:0, scope 2 // id: %43
  %44 = struct_element_addr %2 : $*_BTree<Key, Value>.Index, #_BTree.Index.node, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:21, scope 2 // user: %45
  %45 = load [trivial] %44 : $*Unmanaged<_Node<Key, Value>.Storage>, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:21, scope 2 // user: %49
  // function_ref closure #1 in _BTree.Index.readNode<A>(_:)
  %46 = function_ref @$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlFqd__AH7StorageCyxq__GKXEfU_ : $@convention(thin) <Ï„_0_0, Ï„_0_1 where Ï„_0_0 : Comparable><Ï„_1_0> (@guaranteed _Node<Ï„_0_0, Ï„_0_1>.Storage, @noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1, Ï„_0_2 where Ï„_0_0 : Comparable> (_Node<Ï„_0_0, Ï„_0_1>.UnsafeHandle) -> (@out Ï„_0_2, @error any Error) for <Ï„_0_0, Ï„_0_1, Ï„_1_0>) -> (@out Ï„_1_0, @error any Error), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:51, scope 2 // user: %47
  %47 = partial_apply [callee_guaranteed] [on_stack] %46<Key, Value, R>(%1) : $@convention(thin) <Ï„_0_0, Ï„_0_1 where Ï„_0_0 : Comparable><Ï„_1_0> (@guaranteed _Node<Ï„_0_0, Ï„_0_1>.Storage, @noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1, Ï„_0_2 where Ï„_0_0 : Comparable> (_Node<Ï„_0_0, Ï„_0_1>.UnsafeHandle) -> (@out Ï„_0_2, @error any Error) for <Ï„_0_0, Ï„_0_1, Ï„_1_0>) -> (@out Ï„_1_0, @error any Error), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:51, scope 2 // users: %68, %62, %48
  %48 = convert_function %47 : $@noescape @callee_guaranteed (@guaranteed _Node<Key, Value>.Storage) -> (@out R, @error any Error) to $@noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1 where Ï„_0_0 : AnyObject> (@guaranteed Ï„_0_0) -> (@out Ï„_0_1, @error any Error) for <_Node<Key, Value>.Storage, R>, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:51, scope 2 // user: %52
  %49 = struct_extract %45 : $Unmanaged<_Node<Key, Value>.Storage>, #Unmanaged._value, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2 // user: %50
  %50 = unmanaged_to_ref %49 : $@sil_unmanaged _Node<Key, Value>.Storage to $_Node<Key, Value>.Storage, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2 // user: %51
  %51 = unchecked_ownership_conversion %50 : $_Node<Key, Value>.Storage, @unowned to @guaranteed, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2 // users: %52, %67, %60
  try_apply %48(%0, %51) : $@noescape @callee_guaranteed @substituted <Ï„_0_0, Ï„_0_1 where Ï„_0_0 : AnyObject> (@guaranteed Ï„_0_0) -> (@out Ï„_0_1, @error any Error) for <_Node<Key, Value>.Storage, R>, normal bb9, error bb10, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2 // id: %52

bb7:                                              // Preds: bb5
  %53 = integer_literal $Builtin.Int32, 1, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %54
  %54 = struct $UInt32 (%53 : $Builtin.Int32), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %57
  br bb8, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // id: %55

bb8:                                              // Preds: bb7
  // function_ref _assertionFailure(_:_:file:line:flags:)
  %56 = function_ref @$ss17_assertionFailure__4file4line5flagss5NeverOs12StaticStringV_SSAHSus6UInt32VtF : $@convention(thin) (StaticString, @guaranteed String, StaticString, UInt, UInt32) -> Never, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2 // user: %57
  %57 = apply %56(%34, %40, %14, %16, %54) : $@convention(thin) (StaticString, @guaranteed String, StaticString, UInt, UInt32) -> Never, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":110:5, scope 2
  unreachable , scope 2                           // id: %58

bb9(%59 : $()):                                   // Preds: bb6
  end_borrow %51 : $_Node<Key, Value>.Storage, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2 // id: %60
  %61 = tuple (), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2
  dealloc_stack %47 : $@noescape @callee_guaranteed (@guaranteed _Node<Key, Value>.Storage) -> (@out R, @error any Error), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":107:17, scope 1 // id: %62
  dealloc_stack %6 : $*_BTree<Key, Value>.Index, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":112:3, scope 1 // id: %63
  %64 = tuple (), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":112:3, scope 2 // user: %65
  return %64 : $(), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:5, scope 2 // id: %65

// %66                                            // user: %70
bb10(%66 : @owned $any Error):                    // Preds: bb6
  end_borrow %51 : $_Node<Key, Value>.Storage, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 2 // id: %67
  dealloc_stack %47 : $@noescape @callee_guaranteed (@guaranteed _Node<Key, Value>.Storage) -> (@out R, @error any Error), loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:26, scope 1 // id: %68
  dealloc_stack %6 : $*_BTree<Key, Value>.Index, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:71, scope 1 // id: %69
  throw %66 : $any Error, loc "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift":111:71, scope 2 // id: %70
} // end sil function '$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlF'

Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.      Program arguments: /home/butta/swift-DEVELOPMENT-SNAPSHOT-2022-12-14-a-ubuntu20.04/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+BidirectionalCollection.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+CustomDebugStringConvertible.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+CustomReflectable.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+Invariants.swift "/home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+Partial RangeReplaceableCollection.swift" /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+Sequence.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+SubSequence.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree+UnsafeCursor.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Builder.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_FixedSizeArray.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node+CustomDebugString.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node+Testing.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.Splinter.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.Storage.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.UnsafeHandle+CustomDebugStringConvertible.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.UnsafeHandle+Deletion.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.UnsafeHandle+Insertion.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.UnsafeHandle.swift /home/butta/swift-collections/Sources/SortedCollections/BTree/_Node.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+BidirectionalCollection.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Codable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+CustomReflectable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+CustomStringConvertible.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Equatable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+ExpressibleByDictionaryLiteral.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Hashable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Initializers.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Keys.swift "/home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Partial RangeReplaceableCollection.swift" /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Sendable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Sequence.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+SubSequence.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Subscripts.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary+Values.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary.Index.swift /home/butta/swift-collections/Sources/SortedCollections/SortedDictionary/SortedDictionary.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+BidirectionalCollection.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Codable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+CustomReflectable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+CustomStringConvertible.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Equatable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+ExpressibleByArrayLiteral.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Hashable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Initializers.swift "/home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Partial RangeReplaceableCollection.swift" /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Sendable.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Sequence.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+SetAlgebra.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+SubSequence.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet+Subscripts.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet.Index.swift /home/butta/swift-collections/Sources/SortedCollections/SortedSet/SortedSet.swift /home/butta/swift-collections/Sources/SortedCollections/Utilities/Assertions.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -I /home/butta/swift-collections/.build/x86_64-unknown-linux-gnu/debug -color-diagnostics -enable-testing -g -module-cache-path /home/butta/swift-collections/.build/x86_64-unknown-linux-gnu/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /home/butta/swift-DEVELOPMENT-SNAPSHOT-2022-12-14-a-ubuntu20.04/usr/bin/swift-driver -empty-abi-descriptor -resource-dir /home/butta/swift-DEVELOPMENT-SNAPSHOT-2022-12-14-a-ubuntu20.04/usr/lib/swift -enable-anonymous-context-mangled-names -module-name SortedCollections -emit-module-doc-path /home/butta/swift-collections/.build/x86_64-unknown-linux-gnu/debug/SortedCollections.swiftdoc -emit-module-source-info-path /home/butta/swift-collections/.build/x86_64-unknown-linux-gnu/debug/SortedCollections.swiftsourceinfo -emit-dependencies-path /home/butta/swift-collections/.build/x86_64-unknown-linux-gnu/debug/SortedCollections.build/SortedCollections.emit-module.d -parse-as-library -o /home/butta/swift-collections/.build/x86_64-unknown-linux-gnu/debug/SortedCollections.swiftmodule
1.      Swift version 5.8-dev (LLVM 3552b731b61db92, Swift 9cebd696545a8f4)
2.      Compiling with the current language version
3.      While verifying SIL function "@$s17SortedCollections6_BTreeV5IndexV8readNodeyqd__qd__AA01_F0V12UnsafeHandleVyxq__GKXEKlF".
 for 'readNode(_:)' (at /home/butta/swift-collections/Sources/SortedCollections/BTree/_BTree.Index.swift:107:12)

I first saw this on my Android CI a couple days ago.

Steps to reproduce
swift build

Expected behavior
This wasn't crashing with the Dec. 13 trunk snapshot and before, so this appears to be a recent trunk regression.

Environment

• Swift 5.8 trunk snapshot for Ubuntu 20.04 x86_64 from Dec.14 and later, building the latest collections commit 53a8adc54

[finagolfin]

Still seeing this with the latest Jan. 8 trunk snapshot for Ubuntu 20.04 x86_64, though I've since noticed that it goes away when building for release with -c release.

@lorentey, do you think you can get this looked into?

[finagolfin]

Still hitting this with the latest Jan. 23 trunk snapshot for Ubuntu 20.04 x86_64, @nate-chandler, any idea?

[nate-chandler]

CC: @adrian-prantl

[finagolfin]

I just checked and the latest official snapshots for Ubuntu 20.04 x86_64, trunk from Feb. 13 and the 5.8 branch from Feb. 9, still crash with this same error. Since 5.8 presumably will be released next month, this should be fixed before that.

@adrian-prantl, any idea who is best situated to look into this? Can someone confirm if it's crashing on macOS too?

[adrian-prantl]

From the looks of it the dealloc_stack was created with the wrong scope. I'll need to see if I can reproduce this. If you can give me a smaller reproducer (Linux or macOS), that would be a big help.