[llvm-branch-commits] [clang] [lldb] release/20.x: Reland: [clang] fix P3310 overload resolution flag propagation (#125791) (PR #127779)
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Wed Feb 19 02:47:54 PST 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang-modules
Author: None (llvmbot)
<details>
<summary>Changes</summary>
Backport 08bda1cc6b0d2f1d31a89a76b5c154a11086c420
Requested by: @<!-- -->mizvekov
---
Patch is 232.51 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/127779.diff
16 Files Affected:
- (modified) clang/include/clang/AST/DeclTemplate.h (+14-2)
- (modified) clang/include/clang/Sema/Sema.h (+2-2)
- (modified) clang/lib/AST/ASTImporter.cpp (+3-3)
- (modified) clang/lib/AST/DeclTemplate.cpp (+24-23)
- (modified) clang/lib/AST/JSONNodeDumper.cpp (+5)
- (modified) clang/lib/AST/TextNodeDumper.cpp (+4-1)
- (modified) clang/lib/Sema/SemaTemplate.cpp (+5-3)
- (modified) clang/lib/Sema/SemaTemplateDeduction.cpp (-2)
- (modified) clang/lib/Sema/SemaTemplateInstantiateDecl.cpp (+1-1)
- (modified) clang/lib/Sema/SemaType.cpp (+2-1)
- (modified) clang/lib/Serialization/ASTReaderDecl.cpp (+1)
- (modified) clang/lib/Serialization/ASTWriterDecl.cpp (+1)
- (modified) clang/test/AST/ast-dump-templates.cpp (+6045-2)
- (modified) clang/test/AST/gen_ast_dump_json_test.py (+17-4)
- (modified) clang/test/SemaTemplate/cwg2398.cpp (+17)
- (modified) lldb/source/Plugins/ExpressionParser/Clang/CxxModuleHandler.cpp (+2-1)
``````````diff
diff --git a/clang/include/clang/AST/DeclTemplate.h b/clang/include/clang/AST/DeclTemplate.h
index 9ecff2c898acd..03c43765206b1 100644
--- a/clang/include/clang/AST/DeclTemplate.h
+++ b/clang/include/clang/AST/DeclTemplate.h
@@ -1841,15 +1841,23 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,
LLVM_PREFERRED_TYPE(TemplateSpecializationKind)
unsigned SpecializationKind : 3;
+ /// Indicate that we have matched a parameter pack with a non pack
+ /// argument, when the opposite match is also allowed (strict pack match).
+ /// This needs to be cached as deduction is performed during declaration,
+ /// and we need the information to be preserved so that it is consistent
+ /// during instantiation.
+ bool MatchedPackOnParmToNonPackOnArg : 1;
+
protected:
ClassTemplateSpecializationDecl(ASTContext &Context, Kind DK, TagKind TK,
DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc,
ClassTemplateDecl *SpecializedTemplate,
ArrayRef<TemplateArgument> Args,
+ bool MatchedPackOnParmToNonPackOnArg,
ClassTemplateSpecializationDecl *PrevDecl);
- explicit ClassTemplateSpecializationDecl(ASTContext &C, Kind DK);
+ ClassTemplateSpecializationDecl(ASTContext &C, Kind DK);
public:
friend class ASTDeclReader;
@@ -1859,7 +1867,7 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,
Create(ASTContext &Context, TagKind TK, DeclContext *DC,
SourceLocation StartLoc, SourceLocation IdLoc,
ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
+ ArrayRef<TemplateArgument> Args, bool MatchedPackOnParmToNonPackOnArg,
ClassTemplateSpecializationDecl *PrevDecl);
static ClassTemplateSpecializationDecl *CreateDeserialized(ASTContext &C,
GlobalDeclID ID);
@@ -1930,6 +1938,10 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl,
SpecializationKind = TSK;
}
+ bool hasMatchedPackOnParmToNonPackOnArg() const {
+ return MatchedPackOnParmToNonPackOnArg;
+ }
+
/// Get the point of instantiation (if any), or null if none.
SourceLocation getPointOfInstantiation() const {
return PointOfInstantiation;
diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index eb82d1b978e94..a30a7076ea5d4 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -13491,8 +13491,8 @@ class Sema final : public SemaBase {
bool InstantiateClassTemplateSpecialization(
SourceLocation PointOfInstantiation,
ClassTemplateSpecializationDecl *ClassTemplateSpec,
- TemplateSpecializationKind TSK, bool Complain = true,
- bool PrimaryHasMatchedPackOnParmToNonPackOnArg = false);
+ TemplateSpecializationKind TSK, bool Complain,
+ bool PrimaryHasMatchedPackOnParmToNonPackOnArg);
/// Instantiates the definitions of all of the member
/// of the given class, which is an instantiation of a class template
diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index 09fa10f716ec1..13e7f93233a7f 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -6321,9 +6321,9 @@ ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl(
updateLookupTableForTemplateParameters(*ToTPList);
} else { // Not a partial specialization.
if (GetImportedOrCreateDecl(
- D2, D, Importer.getToContext(), D->getTagKind(), DC,
- *BeginLocOrErr, *IdLocOrErr, ClassTemplate, TemplateArgs,
- PrevDecl))
+ D2, D, Importer.getToContext(), D->getTagKind(), DC, *BeginLocOrErr,
+ *IdLocOrErr, ClassTemplate, TemplateArgs,
+ D->hasMatchedPackOnParmToNonPackOnArg(), PrevDecl))
return D2;
// Update InsertPos, because preceding import calls may have invalidated
diff --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 2e1ed9e10713a..fe8734d262a96 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -957,18 +957,20 @@ FunctionTemplateSpecializationInfo *FunctionTemplateSpecializationInfo::Create(
// ClassTemplateSpecializationDecl Implementation
//===----------------------------------------------------------------------===//
-ClassTemplateSpecializationDecl::
-ClassTemplateSpecializationDecl(ASTContext &Context, Kind DK, TagKind TK,
- DeclContext *DC, SourceLocation StartLoc,
- SourceLocation IdLoc,
- ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
- ClassTemplateSpecializationDecl *PrevDecl)
+ClassTemplateSpecializationDecl::ClassTemplateSpecializationDecl(
+ ASTContext &Context, Kind DK, TagKind TK, DeclContext *DC,
+ SourceLocation StartLoc, SourceLocation IdLoc,
+ ClassTemplateDecl *SpecializedTemplate, ArrayRef<TemplateArgument> Args,
+ bool MatchedPackOnParmToNonPackOnArg,
+ ClassTemplateSpecializationDecl *PrevDecl)
: CXXRecordDecl(DK, TK, Context, DC, StartLoc, IdLoc,
SpecializedTemplate->getIdentifier(), PrevDecl),
- SpecializedTemplate(SpecializedTemplate),
- TemplateArgs(TemplateArgumentList::CreateCopy(Context, Args)),
- SpecializationKind(TSK_Undeclared) {
+ SpecializedTemplate(SpecializedTemplate),
+ TemplateArgs(TemplateArgumentList::CreateCopy(Context, Args)),
+ SpecializationKind(TSK_Undeclared),
+ MatchedPackOnParmToNonPackOnArg(MatchedPackOnParmToNonPackOnArg) {
+ assert(DK == Kind::ClassTemplateSpecialization ||
+ MatchedPackOnParmToNonPackOnArg == false);
}
ClassTemplateSpecializationDecl::ClassTemplateSpecializationDecl(ASTContext &C,
@@ -977,18 +979,14 @@ ClassTemplateSpecializationDecl::ClassTemplateSpecializationDecl(ASTContext &C,
SourceLocation(), nullptr, nullptr),
SpecializationKind(TSK_Undeclared) {}
-ClassTemplateSpecializationDecl *
-ClassTemplateSpecializationDecl::Create(ASTContext &Context, TagKind TK,
- DeclContext *DC,
- SourceLocation StartLoc,
- SourceLocation IdLoc,
- ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
- ClassTemplateSpecializationDecl *PrevDecl) {
- auto *Result =
- new (Context, DC) ClassTemplateSpecializationDecl(
- Context, ClassTemplateSpecialization, TK, DC, StartLoc, IdLoc,
- SpecializedTemplate, Args, PrevDecl);
+ClassTemplateSpecializationDecl *ClassTemplateSpecializationDecl::Create(
+ ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc,
+ SourceLocation IdLoc, ClassTemplateDecl *SpecializedTemplate,
+ ArrayRef<TemplateArgument> Args, bool MatchedPackOnParmToNonPackOnArg,
+ ClassTemplateSpecializationDecl *PrevDecl) {
+ auto *Result = new (Context, DC) ClassTemplateSpecializationDecl(
+ Context, ClassTemplateSpecialization, TK, DC, StartLoc, IdLoc,
+ SpecializedTemplate, Args, MatchedPackOnParmToNonPackOnArg, PrevDecl);
Result->setMayHaveOutOfDateDef(false);
// If the template decl is incomplete, copy the external lexical storage from
@@ -1175,7 +1173,10 @@ ClassTemplatePartialSpecializationDecl::ClassTemplatePartialSpecializationDecl(
ClassTemplatePartialSpecializationDecl *PrevDecl)
: ClassTemplateSpecializationDecl(
Context, ClassTemplatePartialSpecialization, TK, DC, StartLoc, IdLoc,
- SpecializedTemplate, Args, PrevDecl),
+ // Tracking MatchedPackOnParmToNonPackOnArg for Partial
+ // Specializations is not needed.
+ SpecializedTemplate, Args, /*MatchedPackOnParmToNonPackOnArg=*/false,
+ PrevDecl),
TemplateParams(Params), InstantiatedFromMember(nullptr, false) {
if (AdoptTemplateParameterList(Params, this))
setInvalidDecl();
diff --git a/clang/lib/AST/JSONNodeDumper.cpp b/clang/lib/AST/JSONNodeDumper.cpp
index 36ef1fc8c79db..4ab0e7cb5815b 100644
--- a/clang/lib/AST/JSONNodeDumper.cpp
+++ b/clang/lib/AST/JSONNodeDumper.cpp
@@ -1003,6 +1003,11 @@ void JSONNodeDumper::VisitRecordDecl(const RecordDecl *RD) {
void JSONNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *RD) {
VisitRecordDecl(RD);
+ if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(RD)) {
+ if (CTSD->hasMatchedPackOnParmToNonPackOnArg())
+ JOS.attribute("strict-pack-match", true);
+ }
+
// All other information requires a complete definition.
if (!RD->isCompleteDefinition())
return;
diff --git a/clang/lib/AST/TextNodeDumper.cpp b/clang/lib/AST/TextNodeDumper.cpp
index a57cba9597482..7f5a825b68798 100644
--- a/clang/lib/AST/TextNodeDumper.cpp
+++ b/clang/lib/AST/TextNodeDumper.cpp
@@ -2525,8 +2525,11 @@ void TextNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
OS << " instantiated_from";
dumpPointer(Instance);
}
- if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D))
+ if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
dumpTemplateSpecializationKind(CTSD->getSpecializationKind());
+ if (CTSD->hasMatchedPackOnParmToNonPackOnArg())
+ OS << " strict-pack-match";
+ }
dumpNestedNameSpecifier(D->getQualifier());
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp
index 3944c4f67bab9..51e7001ba6ca2 100644
--- a/clang/lib/Sema/SemaTemplate.cpp
+++ b/clang/lib/Sema/SemaTemplate.cpp
@@ -3651,7 +3651,7 @@ QualType Sema::CheckTemplateIdType(TemplateName Name,
ClassTemplate->getDeclContext(),
ClassTemplate->getTemplatedDecl()->getBeginLoc(),
ClassTemplate->getLocation(), ClassTemplate, CTAI.CanonicalConverted,
- nullptr);
+ CTAI.MatchedPackOnParmToNonPackOnArg, nullptr);
ClassTemplate->AddSpecialization(Decl, InsertPos);
if (ClassTemplate->isOutOfLine())
Decl->setLexicalDeclContext(ClassTemplate->getLexicalDeclContext());
@@ -8566,7 +8566,8 @@ DeclResult Sema::ActOnClassTemplateSpecialization(
// this explicit specialization or friend declaration.
Specialization = ClassTemplateSpecializationDecl::Create(
Context, Kind, DC, KWLoc, TemplateNameLoc, ClassTemplate,
- CTAI.CanonicalConverted, PrevDecl);
+ CTAI.CanonicalConverted, CTAI.MatchedPackOnParmToNonPackOnArg,
+ PrevDecl);
Specialization->setTemplateArgsAsWritten(TemplateArgs);
SetNestedNameSpecifier(*this, Specialization, SS);
if (TemplateParameterLists.size() > 0) {
@@ -9909,7 +9910,8 @@ DeclResult Sema::ActOnExplicitInstantiation(
// this explicit specialization.
Specialization = ClassTemplateSpecializationDecl::Create(
Context, Kind, ClassTemplate->getDeclContext(), KWLoc, TemplateNameLoc,
- ClassTemplate, CTAI.CanonicalConverted, PrevDecl);
+ ClassTemplate, CTAI.CanonicalConverted,
+ CTAI.MatchedPackOnParmToNonPackOnArg, PrevDecl);
SetNestedNameSpecifier(*this, Specialization, SS);
// A MSInheritanceAttr attached to the previous declaration must be
diff --git a/clang/lib/Sema/SemaTemplateDeduction.cpp b/clang/lib/Sema/SemaTemplateDeduction.cpp
index 137942f0c30bf..425c41f0f6236 100644
--- a/clang/lib/Sema/SemaTemplateDeduction.cpp
+++ b/clang/lib/Sema/SemaTemplateDeduction.cpp
@@ -3341,8 +3341,6 @@ FinishTemplateArgumentDeduction(
return ConstraintsNotSatisfied
? TemplateDeductionResult::ConstraintsNotSatisfied
: TemplateDeductionResult::SubstitutionFailure;
- if (InstCTAI.MatchedPackOnParmToNonPackOnArg)
- Info.setMatchedPackOnParmToNonPackOnArg();
TemplateParameterList *TemplateParams = Template->getTemplateParameters();
for (unsigned I = 0, E = TemplateParams->size(); I != E; ++I) {
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 131f5c8ad1a09..b4f4469ed4e48 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4007,7 +4007,7 @@ TemplateDeclInstantiator::VisitClassTemplateSpecializationDecl(
ClassTemplateSpecializationDecl::Create(
SemaRef.Context, D->getTagKind(), Owner, D->getBeginLoc(),
D->getLocation(), InstClassTemplate, CTAI.CanonicalConverted,
- PrevDecl);
+ CTAI.MatchedPackOnParmToNonPackOnArg, PrevDecl);
InstD->setTemplateArgsAsWritten(InstTemplateArgs);
// Add this partial specialization to the set of class template partial
diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index 1fa5239a597c8..77b52b832d771 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -9399,7 +9399,8 @@ bool Sema::RequireCompleteTypeImpl(SourceLocation Loc, QualType T,
runWithSufficientStackSpace(Loc, [&] {
Diagnosed = InstantiateClassTemplateSpecialization(
Loc, ClassTemplateSpec, TSK_ImplicitInstantiation,
- /*Complain=*/Diagnoser);
+ /*Complain=*/Diagnoser,
+ ClassTemplateSpec->hasMatchedPackOnParmToNonPackOnArg());
});
Instantiated = true;
}
diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index 8fbb0a8d3edd8..8921b92178ee2 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -2532,6 +2532,7 @@ RedeclarableResult ASTDeclReader::VisitClassTemplateSpecializationDeclImpl(
D->TemplateArgs = TemplateArgumentList::CreateCopy(C, TemplArgs);
D->PointOfInstantiation = readSourceLocation();
D->SpecializationKind = (TemplateSpecializationKind)Record.readInt();
+ D->MatchedPackOnParmToNonPackOnArg = Record.readBool();
bool writtenAsCanonicalDecl = Record.readInt();
if (writtenAsCanonicalDecl) {
diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index fa2294da95de8..3505db441e829 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -1843,6 +1843,7 @@ void ASTDeclWriter::VisitClassTemplateSpecializationDecl(
Record.AddTemplateArgumentList(&D->getTemplateArgs());
Record.AddSourceLocation(D->getPointOfInstantiation());
Record.push_back(D->getSpecializationKind());
+ Record.push_back(D->hasMatchedPackOnParmToNonPackOnArg());
Record.push_back(D->isCanonicalDecl());
if (D->isCanonicalDecl()) {
diff --git a/clang/test/AST/ast-dump-templates.cpp b/clang/test/AST/ast-dump-templates.cpp
index 9fcafbcbcc46b..86af8c50f3174 100644
--- a/clang/test/AST/ast-dump-templates.cpp
+++ b/clang/test/AST/ast-dump-templates.cpp
@@ -1,7 +1,15 @@
-// RUN: %clang_cc1 -std=c++1z -ast-print %s > %t
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++17 -ast-dump=json %s | FileCheck --check-prefix=JSON %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++17 -ast-print %s > %t
// RUN: FileCheck < %t %s -check-prefix=CHECK1
// RUN: FileCheck < %t %s -check-prefix=CHECK2
-// RUN: %clang_cc1 -std=c++1z -ast-dump %s | FileCheck --check-prefix=DUMP %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++17 -ast-dump %s | FileCheck --check-prefix=DUMP %s
+
+// Test with serialization:
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++17 -emit-pch -o %t %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -x c++ -std=c++17 -include-pch %t \
+// RUN: -ast-dump-all /dev/null \
+// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
+// RUN: | FileCheck --strict-whitespace --check-prefix=DUMP %s
template <int X, typename Y, int Z = 5>
struct foo {
@@ -118,3 +126,6038 @@ void func() {
// DUMP-NEXT: `-TemplateTypeParm {{.*}} 'Key'
}
}
+
+namespace test7 {
+ template <template<class> class TT> struct A {};
+ template <class...> class B {};
+ template struct A<B>;
+// DUMP-LABEL: NamespaceDecl {{.*}} test7{{$}}
+// DUMP: ClassTemplateSpecializationDecl {{.*}} struct A definition explicit_instantiation_definition strict-pack-match{{$}}
+} // namespce test7
+
+// NOTE: CHECK lines have been autogenerated by gen_ast_dump_json_test.py
+
+
+// JSON-NOT: {{^}}Dumping
+// JSON: "kind": "TranslationUnitDecl",
+// JSON-NEXT: "loc": {},
+// JSON-NEXT: "range": {
+// JSON-NEXT: "begin": {},
+// JSON-NEXT: "end": {}
+// JSON-NEXT: },
+// JSON-NEXT: "inner": [
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "TypedefDecl",
+// JSON-NEXT: "loc": {},
+// JSON-NEXT: "range": {
+// JSON-NEXT: "begin": {},
+// JSON-NEXT: "end": {}
+// JSON-NEXT: },
+// JSON-NEXT: "isImplicit": true,
+// JSON-NEXT: "name": "__int128_t",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "__int128"
+// JSON-NEXT: },
+// JSON-NEXT: "inner": [
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "BuiltinType",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "__int128"
+// JSON-NEXT: }
+// JSON-NEXT: }
+// JSON-NEXT: ]
+// JSON-NEXT: },
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "TypedefDecl",
+// JSON-NEXT: "loc": {},
+// JSON-NEXT: "range": {
+// JSON-NEXT: "begin": {},
+// JSON-NEXT: "end": {}
+// JSON-NEXT: },
+// JSON-NEXT: "isImplicit": true,
+// JSON-NEXT: "name": "__uint128_t",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "unsigned __int128"
+// JSON-NEXT: },
+// JSON-NEXT: "inner": [
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "BuiltinType",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "unsigned __int128"
+// JSON-NEXT: }
+// JSON-NEXT: }
+// JSON-NEXT: ]
+// JSON-NEXT: },
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "TypedefDecl",
+// JSON-NEXT: "loc": {},
+// JSON-NEXT: "range": {
+// JSON-NEXT: "begin": {},
+// JSON-NEXT: "end": {}
+// JSON-NEXT: },
+// JSON-NEXT: "isImplicit": true,
+// JSON-NEXT: "name": "__NSConstantString",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "__NSConstantString_tag"
+// JSON-NEXT: },
+// JSON-NEXT: "inner": [
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "RecordType",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "__NSConstantString_tag"
+// JSON-NEXT: },
+// JSON-NEXT: "decl": {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "CXXRecordDecl",
+// JSON-NEXT: "name": "__NSConstantString_tag"
+// JSON-NEXT: }
+// JSON-NEXT: }
+// JSON-NEXT: ]
+// JSON-NEXT: },
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "TypedefDecl",
+// JSON-NEXT: "loc": {},
+// JSON-NEXT: "range": {
+// JSON-NEXT: "begin": {},
+// JSON-NEXT: "end": {}
+// JSON-NEXT: },
+// JSON-NEXT: "isImplicit": true,
+// JSON-NEXT: "name": "__builtin_ms_va_list",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "char *"
+// JSON-NEXT: },
+// JSON-NEXT: "inner": [
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "PointerType",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "char *"
+// JSON-NEXT: },
+// JSON-NEXT: "inner": [
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "BuiltinType",
+// JSON-NEXT: "type": {
+// JSON-NEXT: "qualType": "char"
+// JSON-NEXT: }
+// JSON-NEXT: }
+// JSON-NEXT: ]
+// JSON-NEXT: }
+// JSON-NEXT: ]
+// JSON-NEXT: },
+// JSON-NEXT: {
+// JSON-NEXT: "id": "0x{{.*}}",
+// JSON-NEXT: "kind": "TypedefDecl",
+// JSON-NEXT: "loc": {},
+// JSON-NEXT: "range": {
+// JSON-NEXT: "begin": {},
+// JSON-NEXT: "end": {}
+// JSON-NEXT: },
+// JSON-NEXT: "isImplicit": true,
+// JSON-NE...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/127779
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