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codeql/cpp/ql/lib/change-notes/released/5.4.1.md
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5.4.1

Minor Analysis Improvements

  • The guards libraries (semmle.code.cpp.controlflow.Guards and semmle.code.cpp.controlflow.IRGuards) have been improved to recognize more guards.
  • Improved dataflow through global variables in the new dataflow library (semmle.code.cpp.dataflow.new.DataFlow and semmle.code.cpp.dataflow.new.TaintTracking). Queries based on these libraries will produce more results on codebases with many global variables.
  • The global value numbering library (semmle.code.cpp.valuenumbering.GlobalValueNumbering and semmle.code.cpp.ir.ValueNumbering) has been improved so more expressions are assigned the same value number.