From 12aa75ac161097228a1d1d98a399df9e534ebc13 Mon Sep 17 00:00:00 2001
From: Anton Korobeynikov <anton@korobeynikov.info>
Date: Fri, 12 Sep 2025 11:46:30 -0700
Subject: [PATCH] Handle YieldResult type in LLDB swift plugin

---
 .../Plugins/TypeSystem/Swift/SwiftASTContext.cpp       | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp b/lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp
index 78875709ae00b..d3b1808b702e5 100644
--- a/lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp
+++ b/lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp
@@ -6139,6 +6139,7 @@ SwiftASTContext::GetTypeInfo(opaque_compiler_type_t type,
   case swift::TypeKind::SILToken:
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     LOG_PRINTF(GetLog(LLDBLog::Types), "Unexpected type: %s",
                swift_can_type.getString().c_str());
     assert(false && "Internal compiler type");
@@ -6303,6 +6304,7 @@ lldb::TypeClass SwiftASTContext::GetTypeClass(opaque_compiler_type_t type) {
   case swift::TypeKind::SILToken:
   case swift::TypeKind::PackArchetype:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     assert(false && "Internal compiler type");
     break;
   case swift::TypeKind::BuiltinBridgeObject:
@@ -6809,6 +6811,7 @@ lldb::Encoding SwiftASTContext::GetEncoding(opaque_compiler_type_t type) {
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::ErrorUnion:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     break;
   case swift::TypeKind::BuiltinInteger:
   case swift::TypeKind::BuiltinIntegerLiteral:
@@ -6936,6 +6939,7 @@ SwiftASTContext::GetNumChildren(opaque_compiler_type_t type,
   case swift::TypeKind::SILToken:
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     break;
   case swift::TypeKind::UnmanagedStorage:
   case swift::TypeKind::UnownedStorage:
@@ -7065,6 +7069,7 @@ uint32_t SwiftASTContext::GetNumFields(opaque_compiler_type_t type,
   case swift::TypeKind::SILToken:
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     break;
   case swift::TypeKind::UnmanagedStorage:
   case swift::TypeKind::UnownedStorage:
@@ -7294,6 +7299,7 @@ CompilerType SwiftASTContext::GetFieldAtIndex(opaque_compiler_type_t type,
   case swift::TypeKind::SILToken:
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     break;
   case swift::TypeKind::UnmanagedStorage:
   case swift::TypeKind::UnownedStorage:
@@ -7513,6 +7519,7 @@ uint32_t SwiftASTContext::GetNumPointeeChildren(opaque_compiler_type_t type) {
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::UnboundGeneric:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     return 0;
   case swift::TypeKind::BuiltinInteger:
   case swift::TypeKind::BuiltinIntegerLiteral:
@@ -7666,6 +7673,7 @@ llvm::Expected<CompilerType> SwiftASTContext::GetChildCompilerTypeAtIndex(
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::UnboundGeneric:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     break;
 
   case swift::TypeKind::UnmanagedStorage:
@@ -8062,6 +8070,7 @@ size_t SwiftASTContext::GetIndexOfChildMemberWithName(
     case swift::TypeKind::TypeVariable:
     case swift::TypeKind::UnboundGeneric:
     case swift::TypeKind::VariadicSequence:
+    case swift::TypeKind::YieldResult:
       break;
 
     case swift::TypeKind::UnmanagedStorage:
@@ -8455,6 +8464,7 @@ bool SwiftASTContext::DumpTypeValue(
   case swift::TypeKind::TypeVariable:
   case swift::TypeKind::UnboundGeneric:
   case swift::TypeKind::VariadicSequence:
+  case swift::TypeKind::YieldResult:
     break;
 
   case swift::TypeKind::Class: