error: no type named '_GUID' in module '_GUIDDef in WinSDK with C++ interop and explicit-module-build

[hjyamauchi]

Description

swiftc -cxx-interoperability-mode=default winsdk.swift -explicit-module-build
error: compile-module-from-interface command failed with exit code 1 (use -v to see invocation)
S:\Program Files\Swift\Platforms\Windows.platform\Developer\SDKs\Windows.sdk\usr\lib\swift\windows\WinSDK.swiftmodule\x86_64-unknown-windows-msvc.private.swiftinterface:272:54: error: no type named '_GUID' in module '_GUIDDef'
270 | }
271 | extension _GUIDDef._GUID : @retroactive Swift.Equatable {
272 |   @_transparent public static func == (lhs: _GUIDDef._GUID, rhs: _GUIDDef._GUID) -> Swift.Bool {
    |                                                      `- error: no type named '_GUID' in module '_GUIDDef'
273 |     lhs.uint128Value == rhs.uint128Value
274 |   }

S:\Program Files\Swift\Platforms\Windows.platform\Developer\SDKs\Windows.sdk\usr\lib\swift\windows\WinSDK.swiftmodule\x86_64-unknown-windows-msvc.private.swiftinterface:272:75: error: no type named '_GUID' in module '_GUIDDef'
270 | }
271 | extension _GUIDDef._GUID : @retroactive Swift.Equatable {
272 |   @_transparent public static func == (lhs: _GUIDDef._GUID, rhs: _GUIDDef._GUID) -> Swift.Bool {
    |                                                                           `- error: no type named '_GUID' in module '_GUIDDef'
273 |     lhs.uint128Value == rhs.uint128Value
274 |   }

S:\Program Files\Swift\Platforms\Windows.platform\Developer\SDKs\Windows.sdk\usr\lib\swift\windows\WinSDK.swiftmodule\x86_64-unknown-windows-msvc.private.swiftinterface:260:20: error: no type named '_GUID' in module '_GUIDDef'
258 |   return b.boolValue
259 | }
260 | extension _GUIDDef._GUID {
    |                    `- error: no type named '_GUID' in module '_GUIDDef'
261 |   @usableFromInline
262 |   @_transparent internal var uint128Value: Swift.UInt128 {

S:\Program Files\Swift\Platforms\Windows.platform\Developer\SDKs\Windows.sdk\usr\lib\swift\windows\WinSDK.swiftmodule\x86_64-unknown-windows-msvc.private.swiftinterface:271:20: error: no type named '_GUID' in module '_GUIDDef'
269 |   }
270 | }
271 | extension _GUIDDef._GUID : @retroactive Swift.Equatable {
    |                    `- error: no type named '_GUID' in module '_GUIDDef'
272 |   @_transparent public static func == (lhs: _GUIDDef._GUID, rhs: _GUIDDef._GUID) -> Swift.Bool {
273 |     lhs.uint128Value == rhs.uint128Value

S:\Program Files\Swift\Platforms\Windows.platform\Developer\SDKs\Windows.sdk\usr\lib\swift\windows\WinSDK.swiftmodule\x86_64-unknown-windows-msvc.private.swiftinterface:276:20: error: no type named '_GUID' in module '_GUIDDef'
274 |   }
275 | }
276 | extension _GUIDDef._GUID : @retroactive Swift.Hashable {
    |                    `- error: no type named '_GUID' in module '_GUIDDef'
277 |   @_transparent public func hash(into hasher: inout Swift.Hasher) {
278 |     hasher.combine(uint128Value)

Reproduction

Build the toolchain on the main branch on Windows after #85325

winsdk.swift

import WinSDK

swiftc -cxx-interoperability-mode=default -explicit-module-build winsdk.swift

Expected behavior

A successful compile

Environment

The main branch on Windows

Additional information

No response