From d32855846d1d1ef16eea5e2ba752a7c61cab7b42 Mon Sep 17 00:00:00 2001
From: "petro.zarytskyi" <petro.zarytskyi@gmail.com>
Date: Sat, 18 Nov 2023 15:35:37 +0200
Subject: [PATCH] Do not assign VarData to `this` in static methods.

---
 lib/Differentiator/TBRAnalyzer.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/Differentiator/TBRAnalyzer.cpp b/lib/Differentiator/TBRAnalyzer.cpp
index 3b1612e8b..833a8a450 100644
--- a/lib/Differentiator/TBRAnalyzer.cpp
+++ b/lib/Differentiator/TBRAnalyzer.cpp
@@ -327,11 +327,12 @@ void TBRAnalyzer::Analyze(const FunctionDecl* FD) {
   curBlockID = entry->getBlockID();
   blockData[curBlockID] = std::unique_ptr<VarsData>(new VarsData());
 
-  /// If we are analysing a method, add a VarData for 'this' pointer
+  /// If we are analysing a non-static method, add a VarData for 'this' pointer
   /// (it is represented with nullptr).
-  if (isa<CXXMethodDecl>(FD)) {
+  const auto* MD = dyn_cast<CXXMethodDecl>(FD);
+  if (MD && !MD->isStatic()) {
     const Type* recordType =
-        dyn_cast<CXXRecordDecl>(FD->getParent())->getTypeForDecl();
+        MD->getParent()->getTypeForDecl();
     getCurBlockVarsData()[nullptr] =
         VarData(QualType::getFromOpaquePtr(recordType));
   }