2 files changed, 10 insertions, 2 deletions
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