c++20: suppress 'C++20 says that these are ambiguous, even though the second is reversed'

Author: ptheywood

include/flamegpu/model/DependencyGraph.h

@@ -37,7 +37,7 @@ class DependencyGraph {
      * @returns True when both graphs represent the same execution graph
      * @note Instead compare pointers if you wish to check that they are the same instance
      */
-    bool operator==(const DependencyGraph& rhs);
+    bool operator==(const DependencyGraph& rhs) const;
     /**
      * Add an AgentFunctionDescription, host function or submodel as a root node
      * @param root The function or submodel to add to the graph as a root

src/flamegpu/model/DependencyGraph.cpp

@@ -18,7 +18,7 @@ DependencyGraph::DependencyGraph(const DependencyGraph& other) : model(other.mod
 }
 
 
-bool DependencyGraph::operator==(const DependencyGraph& rhs) {
+bool DependencyGraph::operator==(const DependencyGraph& rhs) const {
     std::function<bool(DependencyNode*, DependencyNode*)> checkEqual;
     checkEqual = [&checkEqual] (DependencyNode* lhs, DependencyNode* rhs) {
         const auto& lhsDeps = lhs->getDependents();