diff --git a/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp b/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp
index e998acf..9cf5143 100644
--- a/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp
+++ b/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp
@@ -142,14 +142,48 @@
     return nullptr;
   }
   std::unique_ptr<IPDBEnumSymbols>
+  findChildrenByAddr(PDB_SymType Type, StringRef Name, PDB_NameSearchFlags Flags,
+                     uint32_t Section, uint32_t Offset) const {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumSymbols>
+  findChildrenByVA(PDB_SymType Type, StringRef Name, PDB_NameSearchFlags Flags,
+                   uint64_t VA) const override {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumSymbols>
   findChildrenByRVA(PDB_SymType Type, StringRef Name, PDB_NameSearchFlags Flags,
                     uint32_t RVA) const override {
     return nullptr;
   }
   std::unique_ptr<IPDBEnumSymbols>
+  findInlineFramesByAddr(uint32_t Section, uint32_t Offset) const override {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumSymbols>
   findInlineFramesByRVA(uint32_t RVA) const override {
     return nullptr;
   }
+  std::unique_ptr<IPDBEnumSymbols>
+  findInlineFramesByVA(uint64_t VA) const override {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumLineNumbers> findInlineeLines() const override {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumLineNumbers>
+  findInlineeLinesByAddr(uint32_t Section, uint32_t Offset,
+                         uint32_t Length) const override {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumLineNumbers>
+  findInlineeLinesByRVA(uint32_t RVA, uint32_t Length) const override {
+    return nullptr;
+  }
+  std::unique_ptr<IPDBEnumLineNumbers>
+  findInlineeLinesByVA(uint64_t VA, uint32_t Length) const override {
+    return nullptr;
+  }
 
   void getDataBytes(llvm::SmallVector<uint8_t, 32> &bytes) const override {}
   void getFrontEndVersion(VersionInfo &Version) const override {}