C++: re-add comment

rdmarsh2 · rdmarsh2 · commit c6da1f2be0ec · 2022-01-06T12:43:22.000-05:00
diff --git a/cpp/ql/lib/semmle/code/cpp/security/Overflow.qll b/cpp/ql/lib/semmle/code/cpp/security/Overflow.qll
@@ -5,6 +5,7 @@
 
 import cpp
 import semmle.code.cpp.controlflow.Dominance
+// `GlobalValueNumbering` is only imported to prevent IR re-evaluation.
 private import semmle.code.cpp.valuenumbering.GlobalValueNumbering
 import semmle.code.cpp.rangeanalysis.SimpleRangeAnalysis
 import semmle.code.cpp.rangeanalysis.RangeAnalysisUtils
