C++/C#: Add synchronization

Author: MathiasVP

config/identical-files.json

@@ -242,6 +242,13 @@
     "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/gvn/ValueNumbering.qll",
     "csharp/ql/src/semmle/code/csharp/ir/implementation/unaliased_ssa/gvn/ValueNumbering.qll"
   ],
+  "C++ IR PrintValueNumbering": [
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/gvn/PrintValueNumbering.qll",
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/PrintValueNumbering.qll",
+    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/PrintValueNumbering.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/raw/gvn/PrintValueNumbering.qll",
+    "csharp/ql/src/semmle/code/csharp/ir/implementation/unaliased_ssa/gvn/PrintValueNumbering.qll"
+  ],
   "C++ IR ConstantAnalysis": [
     "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/constant/ConstantAnalysis.qll",
     "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/ConstantAnalysis.qll",