3 files changed, 17 insertions, 4 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 2878f9c6771..3a84bdf94c8 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -2695,8 +2695,13 @@ void CodeGenModule::EmitGlobalDefinition(GlobalDecl GD, llvm::GlobalValue *GV) {
     if (!shouldEmitFunction(GD))
       return;
 
-    llvm::TimeTraceScope TimeScope(
-        "CodeGen Function", [&]() { return FD->getQualifiedNameAsString(); });
+    llvm::TimeTraceScope TimeScope("CodeGen Function", [&]() {
+      std::string Name;
+      llvm::raw_string_ostream OS(Name);
+      FD->getNameForDiagnostic(OS, getContext().getPrintingPolicy(),
+                               /*Qualified=*/true);
+      return Name;
+    });
 
     if (const auto *Method = dyn_cast<CXXMethodDecl>(D)) {
       // Make sure to emit the definition(s) before we emit the thunks.
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index af56ff06ac4..edc281cad6e 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -2014,7 +2014,11 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
     return true;
 
   llvm::TimeTraceScope TimeScope("InstantiateClass", [&]() {
-    return Instantiation->getQualifiedNameAsString();
+    std::string Name;
+    llvm::raw_string_ostream OS(Name);
+    Instantiation->getNameForDiagnostic(OS, getPrintingPolicy(),
+                                        /*Qualified=*/true);
+    return Name;
   });
 
   Pattern = PatternDef;
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 1c7341d3cf8..6c5847ddfcd 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4156,7 +4156,11 @@ void Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation,
   }
 
   llvm::TimeTraceScope TimeScope("InstantiateFunction", [&]() {
-    return Function->getQualifiedNameAsString();
+    std::string Name;
+    llvm::raw_string_ostream OS(Name);
+    Function->getNameForDiagnostic(OS, getPrintingPolicy(),
+                                   /*Qualified=*/true);
+    return Name;
   });
 
   // If we're performing recursive template instantiation, create our own