[clang-tools-extra] [clang-doc] fix flaky test in clang-doc (PR #101387)
via cfe-commits
cfe-commits at lists.llvm.org
Thu Aug 1 02:36:47 PDT 2024
https://github.com/PeterChou1 updated https://github.com/llvm/llvm-project/pull/101387
>From 3ec4d5b9e5bc24bfb466d65fd9c45c51fa6d3e94 Mon Sep 17 00:00:00 2001
From: PeterChou1 <peter.chou at mail.utoronto.ca>
Date: Wed, 31 Jul 2024 14:52:11 -0400
Subject: [PATCH 1/4] [clang-doc] uncomment unsupported
---
clang-tools-extra/test/clang-doc/basic-project.test | 3 ---
1 file changed, 3 deletions(-)
diff --git a/clang-tools-extra/test/clang-doc/basic-project.test b/clang-tools-extra/test/clang-doc/basic-project.test
index 38569d824f1f0..51d3ac6ce6dcd 100644
--- a/clang-tools-extra/test/clang-doc/basic-project.test
+++ b/clang-tools-extra/test/clang-doc/basic-project.test
@@ -1,6 +1,3 @@
-// See https://github.com/llvm/llvm-project/issues/97507.
-// UNSUPPORTED: target={{.*}}
-
// RUN: rm -rf %t && mkdir -p %t/docs %t/build
// RUN: sed 's|$test_dir|%/S|g' %S/Inputs/basic-project/database_template.json > %t/build/compile_commands.json
// RUN: clang-doc --format=html --output=%t/docs --executor=all-TUs %t/build/compile_commands.json
>From 114a5721e593a9b57ef31ed9856d0bce4a62da94 Mon Sep 17 00:00:00 2001
From: PeterChou1 <peter.chou at mail.utoronto.ca>
Date: Thu, 1 Aug 2024 03:24:42 -0400
Subject: [PATCH 2/4] [clang-doc] fix non-determinism
---
clang-tools-extra/clang-doc/tool/ClangDocMain.cpp | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp b/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
index 3363cafeded5e..9a540a5061b6a 100644
--- a/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
+++ b/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
@@ -287,7 +287,14 @@ Example usage for a project using a compile commands database:
auto R = USRToBitcode.try_emplace(Key, std::vector<StringRef>());
R.first->second.emplace_back(Value);
});
-
+
+ for (auto &Entry : USRToBitcode) {
+ std::vector<llvm::StringRef> &Bitcode = Entry.second;
+ std::sort(Bitcode.begin(), Bitcode.end(),
+ [](const llvm::StringRef &A, const llvm::StringRef &B) {
+ return A < B;
+ });
+ }
// Collects all Infos according to their unique USR value. This map is added
// to from the thread pool below and is protected by the USRToInfoMutex.
llvm::sys::Mutex USRToInfoMutex;
>From 556adbf8e1219d73c4ae859036be7ac21abd3762 Mon Sep 17 00:00:00 2001
From: PeterChou1 <peter.chou at mail.utoronto.ca>
Date: Thu, 1 Aug 2024 04:11:45 -0400
Subject: [PATCH 3/4] [clang-doc] fix tests
---
.../test/clang-doc/basic-project.test | 12 +++----
.../test/clang-doc/namespace.cpp | 6 ++--
.../test/clang-doc/templates.cpp | 34 +++++++++----------
3 files changed, 26 insertions(+), 26 deletions(-)
diff --git a/clang-tools-extra/test/clang-doc/basic-project.test b/clang-tools-extra/test/clang-doc/basic-project.test
index 51d3ac6ce6dcd..ee80493f6d7fa 100644
--- a/clang-tools-extra/test/clang-doc/basic-project.test
+++ b/clang-tools-extra/test/clang-doc/basic-project.test
@@ -73,12 +73,12 @@
// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">add</h3>
// HTML-CALC: <p>public int add(int a, int b)</p>
// HTML-CALC: <p>Defined at line 3 of file {{.*}}Calculator.cpp</p>
-// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">subtract</h3>
-// HTML-CALC: <p>public int subtract(int a, int b)</p>
-// HTML-CALC: <p>Defined at line 7 of file {{.*}}Calculator.cpp</p>
// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">multiply</h3>
// HTML-CALC: <p>public int multiply(int a, int b)</p>
// HTML-CALC: <p>Defined at line 11 of file {{.*}}Calculator.cpp</p>
+// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">subtract</h3>
+// HTML-CALC: <p>public int subtract(int a, int b)</p>
+// HTML-CALC: <p>Defined at line 7 of file {{.*}}Calculator.cpp</p>
// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">divide</h3>
// HTML-CALC: <p>public double divide(int a, int b)</p>
// HTML-CALC: <p>Defined at line 15 of file {{.*}}Calculator.cpp</p>
@@ -114,15 +114,15 @@
// HTML-CIRCLE: <h2 id="Members">Members</h2>
// HTML-CIRCLE: <li>private double radius_</li>
// HTML-CIRCLE: <h2 id="Functions">Functions</h2>
-// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">Circle</h3>
-// HTML-CIRCLE: <p>public void Circle(double radius)</p>
-// HTML-CIRCLE: <p>Defined at line 3 of file {{.*}}Circle.cpp</p>
// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">area</h3>
// HTML-CIRCLE: <p>public double area()</p>
// HTML-CIRCLE: <p>Defined at line 5 of file {{.*}}Circle.cpp</p>
// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">perimeter</h3>
// HTML-CIRCLE: <p>public double perimeter()</p>
// HTML-CIRCLE: <p>Defined at line 9 of file {{.*}}Circle.cpp</p>
+// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">Circle</h3>
+// HTML-CIRCLE: <p>public void Circle(double radius)</p>
+// HTML-CIRCLE: <p>Defined at line 3 of file {{.*}}Circle.cpp</p>
// MD-CALC: # class Calculator
// MD-CALC: *Defined at .{{[\/]}}include{{[\/]}}Calculator.h#8*
diff --git a/clang-tools-extra/test/clang-doc/namespace.cpp b/clang-tools-extra/test/clang-doc/namespace.cpp
index 12f3cb8a84bc6..4881f942fe52a 100644
--- a/clang-tools-extra/test/clang-doc/namespace.cpp
+++ b/clang-tools-extra/test/clang-doc/namespace.cpp
@@ -271,15 +271,15 @@ namespace AnotherNamespace {
// HTML-GLOBAL-INDEX: <div id="main-content" class="col-xs-12 col-sm-9 col-md-8 main-content">
// HTML-GLOBAL-INDEX: <h1>Global Namespace</h1>
// HTML-GLOBAL-INDEX: <h2 id="Namespaces">Namespaces</h2>
-// HTML-GLOBAL-INDEX: <li>@nonymous_namespace</li>
// HTML-GLOBAL-INDEX: <li>PrimaryNamespace</li>
// HTML-GLOBAL-INDEX: <li>AnotherNamespace</li>
+// HTML-GLOBAL-INDEX: <li>@nonymous_namespace</li>
// MD-GLOBAL-INDEX: # Global Namespace
// MD-GLOBAL-INDEX: ## Namespaces
-// MD-GLOBAL-INDEX: * [@nonymous_namespace](..{{[\/]}}@nonymous_namespace{{[\/]}}index.md)
// MD-GLOBAL-INDEX: * [PrimaryNamespace](..{{[\/]}}PrimaryNamespace{{[\/]}}index.md)
// MD-GLOBAL-INDEX: * [AnotherNamespace](..{{[\/]}}AnotherNamespace{{[\/]}}index.md)
+// MD-GLOBAL-INDEX: * [@nonymous_namespace](..{{[\/]}}@nonymous_namespace{{[\/]}}index.md)
// MD-ALL-FILES: # All Files
// MD-ALL-FILES: ## [@nonymous_namespace](@nonymous_namespace{{[\/]}}index.md)
@@ -290,4 +290,4 @@ namespace AnotherNamespace {
// MD-INDEX: # C/C++ Reference
// MD-INDEX: * Namespace: [@nonymous_namespace](@nonymous_namespace)
// MD-INDEX: * Namespace: [AnotherNamespace](AnotherNamespace)
-// MD-INDEX: * Namespace: [PrimaryNamespace](PrimaryNamespace)
\ No newline at end of file
+// MD-INDEX: * Namespace: [PrimaryNamespace](PrimaryNamespace)
diff --git a/clang-tools-extra/test/clang-doc/templates.cpp b/clang-tools-extra/test/clang-doc/templates.cpp
index 2e04a77ac9e62..4d4a25b8d3b82 100644
--- a/clang-tools-extra/test/clang-doc/templates.cpp
+++ b/clang-tools-extra/test/clang-doc/templates.cpp
@@ -18,6 +18,23 @@ void ParamPackFunction(T... args);
// CHECK: ---
// CHECK-NEXT: USR: '{{([0-9A-F]{40})}}'
// CHECK-NEXT: ChildFunctions:
+// CHECK-NEXT: - USR: '{{([0-9A-F]{40})}}'
+// CHECK-NEXT: Name: 'ParamPackFunction'
+// CHECK-NEXT: Location:
+// CHECK-NEXT: - LineNumber: 16
+// CHECK-NEXT: Filename: '{{.*}}'
+// CHECK-NEXT: Params:
+// CHECK-NEXT: - Type:
+// CHECK-NEXT: Name: 'T...'
+// CHECK-NEXT: QualName: 'T...'
+// CHECK-NEXT: Name: 'args'
+// CHECK-NEXT: ReturnType:
+// CHECK-NEXT: Type:
+// CHECK-NEXT: Name: 'void'
+// CHECK-NEXT: QualName: 'void'
+// CHECK-NEXT: Template:
+// CHECK-NEXT: Params:
+// CHECK-NEXT: - Contents: 'class... T'
// CHECK-NEXT: - USR: '{{([0-9A-F]{40})}}'
// CHECK-NEXT: Name: 'function'
// CHECK-NEXT: DefLocation:
@@ -56,21 +73,4 @@ void ParamPackFunction(T... args);
// CHECK-NEXT: Params:
// CHECK-NEXT: - Contents: 'bool'
// CHECK-NEXT: - Contents: '0'
-// CHECK-NEXT: - USR: '{{([0-9A-F]{40})}}'
-// CHECK-NEXT: Name: 'ParamPackFunction'
-// CHECK-NEXT: Location:
-// CHECK-NEXT: - LineNumber: 16
-// CHECK-NEXT: Filename: '{{.*}}'
-// CHECK-NEXT: Params:
-// CHECK-NEXT: - Type:
-// CHECK-NEXT: Name: 'T...'
-// CHECK-NEXT: QualName: 'T...'
-// CHECK-NEXT: Name: 'args'
-// CHECK-NEXT: ReturnType:
-// CHECK-NEXT: Type:
-// CHECK-NEXT: Name: 'void'
-// CHECK-NEXT: QualName: 'void'
-// CHECK-NEXT: Template:
-// CHECK-NEXT: Params:
-// CHECK-NEXT: - Contents: 'class... T'
// CHECK-NEXT: ...
>From 399c51e2c0cf6d53480fdc49c3342236677cf0c4 Mon Sep 17 00:00:00 2001
From: PeterChou1 <peter.chou at mail.utoronto.ca>
Date: Thu, 1 Aug 2024 05:35:23 -0400
Subject: [PATCH 4/4] [clang-doc] sort by location
---
.../clang-doc/Representation.cpp | 7 ++++
clang-tools-extra/clang-doc/Representation.h | 19 +++++++++--
.../clang-doc/tool/ClangDocMain.cpp | 25 ++++++++++----
.../test/clang-doc/basic-project.test | 13 +++----
.../test/clang-doc/namespace.cpp | 4 +--
.../test/clang-doc/templates.cpp | 34 +++++++++----------
6 files changed, 68 insertions(+), 34 deletions(-)
diff --git a/clang-tools-extra/clang-doc/Representation.cpp b/clang-tools-extra/clang-doc/Representation.cpp
index d08afbb962189..6ed18e8a91f5c 100644
--- a/clang-tools-extra/clang-doc/Representation.cpp
+++ b/clang-tools-extra/clang-doc/Representation.cpp
@@ -384,5 +384,12 @@ ClangDocContext::ClangDocContext(tooling::ExecutionContext *ECtx,
}
}
+void ScopeChildren::sort() {
+ std::sort(Namespaces.begin(), Namespaces.end());
+ std::sort(Records.begin(), Records.end());
+ std::sort(Functions.begin(), Functions.end());
+ std::sort(Enums.begin(), Enums.end());
+ std::sort(Typedefs.begin(), Typedefs.end());
+}
} // namespace doc
} // namespace clang
diff --git a/clang-tools-extra/clang-doc/Representation.h b/clang-tools-extra/clang-doc/Representation.h
index d70c279f7a2bd..93145b9e9a779 100644
--- a/clang-tools-extra/clang-doc/Representation.h
+++ b/clang-tools-extra/clang-doc/Representation.h
@@ -104,6 +104,9 @@ struct Reference {
bool mergeable(const Reference &Other);
void merge(Reference &&I);
+ bool operator<(const Reference &Other) const {
+ return llvm::toStringRef(USR) < llvm::toStringRef(Other.USR);
+ }
/// Returns the path for this Reference relative to CurrentPath.
llvm::SmallString<64> getRelativeFilePath(const StringRef &CurrentPath) const;
@@ -145,6 +148,9 @@ struct ScopeChildren {
std::vector<FunctionInfo> Functions;
std::vector<EnumInfo> Enums;
std::vector<TypedefInfo> Typedefs;
+
+ void sort();
+
};
// A base struct for TypeInfos
@@ -269,10 +275,13 @@ struct Info {
Info(Info &&Other) = default;
virtual ~Info() = default;
+
+ Info& operator=(const Info &Other) = delete;
+ Info& operator=(Info &&Other) = default;
SymbolID USR =
SymbolID(); // Unique identifier for the decl described by this Info.
- const InfoType IT = InfoType::IT_default; // InfoType of this particular Info.
+ InfoType IT = InfoType::IT_default; // InfoType of this particular Info.
SmallString<16> Name; // Unqualified name of the decl.
llvm::SmallVector<Reference, 4>
Namespace; // List of parent namespaces for this decl.
@@ -282,7 +291,7 @@ struct Info {
void mergeBase(Info &&I);
bool mergeable(const Info &Other);
-
+
llvm::SmallString<16> extractName() const;
/// Returns the file path for this Info relative to CurrentPath.
@@ -312,6 +321,12 @@ struct SymbolInfo : public Info {
std::optional<Location> DefLoc; // Location where this decl is defined.
llvm::SmallVector<Location, 2> Loc; // Locations where this decl is declared.
+
+ bool operator<(const SymbolInfo &Other) const {
+ assert(Loc.size() > 0 && Other.Loc.size() > 0 &&
+ "SymbolInfo must have at least one location");
+ return Loc[0] < Other.Loc[0];
+ }
};
// TODO: Expand to allow for documenting templating and default args.
diff --git a/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp b/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
index 9a540a5061b6a..48179bd3d5238 100644
--- a/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
+++ b/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
@@ -205,6 +205,22 @@ llvm::Error getHtmlAssetFiles(const char *Argv0,
return getDefaultAssetFiles(Argv0, CDCtx);
}
+/// Make the output of clang-doc deterministic by sorting the children of
+/// namespaces and records.
+void sortUsrToInfo(llvm::StringMap<std::unique_ptr<doc::Info>>& USRToInfo) {
+ for (auto &I : USRToInfo) {
+ auto &Info = I.second;
+ if (Info->IT == doc::InfoType::IT_namespace) {
+ auto *Namespace = static_cast<clang::doc::NamespaceInfo *>(Info.get());
+ Namespace->Children.sort();
+ }
+ if (Info->IT == doc::InfoType::IT_record) {
+ auto *Record = static_cast<clang::doc::RecordInfo *>(Info.get());
+ Record->Children.sort();
+ }
+ }
+}
+
int main(int argc, const char **argv) {
llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
std::error_code OK;
@@ -288,13 +304,6 @@ Example usage for a project using a compile commands database:
R.first->second.emplace_back(Value);
});
- for (auto &Entry : USRToBitcode) {
- std::vector<llvm::StringRef> &Bitcode = Entry.second;
- std::sort(Bitcode.begin(), Bitcode.end(),
- [](const llvm::StringRef &A, const llvm::StringRef &B) {
- return A < B;
- });
- }
// Collects all Infos according to their unique USR value. This map is added
// to from the thread pool below and is protected by the USRToInfoMutex.
llvm::sys::Mutex USRToInfoMutex;
@@ -348,6 +357,8 @@ Example usage for a project using a compile commands database:
if (Error)
return 1;
+ sortUsrToInfo(USRToInfo);
+
// Ensure the root output directory exists.
if (std::error_code Err = llvm::sys::fs::create_directories(OutDirectory);
Err != std::error_code()) {
diff --git a/clang-tools-extra/test/clang-doc/basic-project.test b/clang-tools-extra/test/clang-doc/basic-project.test
index ee80493f6d7fa..2d8e3be4bd504 100644
--- a/clang-tools-extra/test/clang-doc/basic-project.test
+++ b/clang-tools-extra/test/clang-doc/basic-project.test
@@ -73,12 +73,12 @@
// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">add</h3>
// HTML-CALC: <p>public int add(int a, int b)</p>
// HTML-CALC: <p>Defined at line 3 of file {{.*}}Calculator.cpp</p>
-// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">multiply</h3>
-// HTML-CALC: <p>public int multiply(int a, int b)</p>
-// HTML-CALC: <p>Defined at line 11 of file {{.*}}Calculator.cpp</p>
// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">subtract</h3>
// HTML-CALC: <p>public int subtract(int a, int b)</p>
// HTML-CALC: <p>Defined at line 7 of file {{.*}}Calculator.cpp</p>
+// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">multiply</h3>
+// HTML-CALC: <p>public int multiply(int a, int b)</p>
+// HTML-CALC: <p>Defined at line 11 of file {{.*}}Calculator.cpp</p>
// HTML-CALC: <h3 id="{{([0-9A-F]{40})}}">divide</h3>
// HTML-CALC: <p>public double divide(int a, int b)</p>
// HTML-CALC: <p>Defined at line 15 of file {{.*}}Calculator.cpp</p>
@@ -114,15 +114,16 @@
// HTML-CIRCLE: <h2 id="Members">Members</h2>
// HTML-CIRCLE: <li>private double radius_</li>
// HTML-CIRCLE: <h2 id="Functions">Functions</h2>
+// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">Circle</h3>
+// HTML-CIRCLE: <p>public void Circle(double radius)</p>
+// HTML-CIRCLE: <p>Defined at line 3 of file {{.*}}Circle.cpp</p>
// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">area</h3>
// HTML-CIRCLE: <p>public double area()</p>
// HTML-CIRCLE: <p>Defined at line 5 of file {{.*}}Circle.cpp</p>
// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">perimeter</h3>
// HTML-CIRCLE: <p>public double perimeter()</p>
// HTML-CIRCLE: <p>Defined at line 9 of file {{.*}}Circle.cpp</p>
-// HTML-CIRCLE: <h3 id="{{([0-9A-F]{40})}}">Circle</h3>
-// HTML-CIRCLE: <p>public void Circle(double radius)</p>
-// HTML-CIRCLE: <p>Defined at line 3 of file {{.*}}Circle.cpp</p>
+
// MD-CALC: # class Calculator
// MD-CALC: *Defined at .{{[\/]}}include{{[\/]}}Calculator.h#8*
diff --git a/clang-tools-extra/test/clang-doc/namespace.cpp b/clang-tools-extra/test/clang-doc/namespace.cpp
index 4881f942fe52a..72ed277a2c1e9 100644
--- a/clang-tools-extra/test/clang-doc/namespace.cpp
+++ b/clang-tools-extra/test/clang-doc/namespace.cpp
@@ -271,15 +271,15 @@ namespace AnotherNamespace {
// HTML-GLOBAL-INDEX: <div id="main-content" class="col-xs-12 col-sm-9 col-md-8 main-content">
// HTML-GLOBAL-INDEX: <h1>Global Namespace</h1>
// HTML-GLOBAL-INDEX: <h2 id="Namespaces">Namespaces</h2>
+// HTML-GLOBAL-INDEX: <li>@nonymous_namespace</li>
// HTML-GLOBAL-INDEX: <li>PrimaryNamespace</li>
// HTML-GLOBAL-INDEX: <li>AnotherNamespace</li>
-// HTML-GLOBAL-INDEX: <li>@nonymous_namespace</li>
// MD-GLOBAL-INDEX: # Global Namespace
// MD-GLOBAL-INDEX: ## Namespaces
+// MD-GLOBAL-INDEX: * [@nonymous_namespace](..{{[\/]}}@nonymous_namespace{{[\/]}}index.md)
// MD-GLOBAL-INDEX: * [PrimaryNamespace](..{{[\/]}}PrimaryNamespace{{[\/]}}index.md)
// MD-GLOBAL-INDEX: * [AnotherNamespace](..{{[\/]}}AnotherNamespace{{[\/]}}index.md)
-// MD-GLOBAL-INDEX: * [@nonymous_namespace](..{{[\/]}}@nonymous_namespace{{[\/]}}index.md)
// MD-ALL-FILES: # All Files
// MD-ALL-FILES: ## [@nonymous_namespace](@nonymous_namespace{{[\/]}}index.md)
diff --git a/clang-tools-extra/test/clang-doc/templates.cpp b/clang-tools-extra/test/clang-doc/templates.cpp
index 4d4a25b8d3b82..2e04a77ac9e62 100644
--- a/clang-tools-extra/test/clang-doc/templates.cpp
+++ b/clang-tools-extra/test/clang-doc/templates.cpp
@@ -18,23 +18,6 @@ void ParamPackFunction(T... args);
// CHECK: ---
// CHECK-NEXT: USR: '{{([0-9A-F]{40})}}'
// CHECK-NEXT: ChildFunctions:
-// CHECK-NEXT: - USR: '{{([0-9A-F]{40})}}'
-// CHECK-NEXT: Name: 'ParamPackFunction'
-// CHECK-NEXT: Location:
-// CHECK-NEXT: - LineNumber: 16
-// CHECK-NEXT: Filename: '{{.*}}'
-// CHECK-NEXT: Params:
-// CHECK-NEXT: - Type:
-// CHECK-NEXT: Name: 'T...'
-// CHECK-NEXT: QualName: 'T...'
-// CHECK-NEXT: Name: 'args'
-// CHECK-NEXT: ReturnType:
-// CHECK-NEXT: Type:
-// CHECK-NEXT: Name: 'void'
-// CHECK-NEXT: QualName: 'void'
-// CHECK-NEXT: Template:
-// CHECK-NEXT: Params:
-// CHECK-NEXT: - Contents: 'class... T'
// CHECK-NEXT: - USR: '{{([0-9A-F]{40})}}'
// CHECK-NEXT: Name: 'function'
// CHECK-NEXT: DefLocation:
@@ -73,4 +56,21 @@ void ParamPackFunction(T... args);
// CHECK-NEXT: Params:
// CHECK-NEXT: - Contents: 'bool'
// CHECK-NEXT: - Contents: '0'
+// CHECK-NEXT: - USR: '{{([0-9A-F]{40})}}'
+// CHECK-NEXT: Name: 'ParamPackFunction'
+// CHECK-NEXT: Location:
+// CHECK-NEXT: - LineNumber: 16
+// CHECK-NEXT: Filename: '{{.*}}'
+// CHECK-NEXT: Params:
+// CHECK-NEXT: - Type:
+// CHECK-NEXT: Name: 'T...'
+// CHECK-NEXT: QualName: 'T...'
+// CHECK-NEXT: Name: 'args'
+// CHECK-NEXT: ReturnType:
+// CHECK-NEXT: Type:
+// CHECK-NEXT: Name: 'void'
+// CHECK-NEXT: QualName: 'void'
+// CHECK-NEXT: Template:
+// CHECK-NEXT: Params:
+// CHECK-NEXT: - Contents: 'class... T'
// CHECK-NEXT: ...
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