diff --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index b2f299a7e49d..bda32878400c 100644
--- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -129,9 +129,9 @@ private:
   // Checksum, produced by hash of EdgeDestinations
   SmallVector<uint32_t, 4> FileChecksums;
 
-  Module *M;
+  Module *M = nullptr;
   std::function<const TargetLibraryInfo &(Function &F)> GetTLI;
-  LLVMContext *Ctx;
+  LLVMContext *Ctx = nullptr;
   SmallVector<std::unique_ptr<GCOVFunction>, 16> Funcs;
   std::vector<Regex> FilterRe;
   std::vector<Regex> ExcludeRe;
@@ -385,7 +385,7 @@ namespace {
       return EdgeDestinations;
     }
 
-    uint32_t getFuncChecksum() {
+    uint32_t getFuncChecksum() const {
       return FuncChecksum;
     }