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Description

Undefined behaviour when there are multiple volatile variables accessed in the one C statement.
Changes to introduce non-volatile temporaries, split statement or make variable non-volatile.

Fixes zd#20994

Testing

Standard configuration.

Checklist

  • added tests
  • updated/added doxygen
  • updated appropriate READMEs
  • Updated manual and documentation

Undefined behaviour when there are multiple volatile variables accessed
in the one C statement.
Changes to introduce non-volatile temporaries, split statement or make
variable non-volatile.
@SparkiDev SparkiDev self-assigned this Jan 6, 2026
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