add minimally broken example

min_broken/main.cpp

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <mutex>
+
+class TestClass {
+public:
+    TestClass() {
+        std::lock_guard<std::recursive_mutex> lck(mtx);
+        value = 42;
+    }
+
+    int getValue() {
+        std::lock_guard<std::recursive_mutex> lck(mtx);
+        return value;
+    }
+
+private:
+    std::recursive_mutex mtx;
+    int value = 0;
+};
+
+TestClass test;
+
+int main() {
+    printf("Value: %d\n", test.getValue());
+    return 0;
+}