False positive with RPG - S1601

Rules and Languages Report False-positive / False-negative...
1

SonarQube Server 2025.6
RPG
Unused subroutines should be removed - S1601
False positive on *INZSR subroutine. This subroutine is implicitly executed at program initialization, but is never explicitly called. It should not show as a warning for the S1601 rule as it is used, it’s just not as obvious as other subroutines. False positive occurs in both free format and fixed format RPG.

**free

snd-msg 'Second';

*inlr = *on;

begsr *inzsr;
  snd-msg 'First';
endsr;

     C                   SND-MSG   'SECOND'
     C                   SETON                                        LR
     C     *INZSR        BEGSR
     C                   SND-MSG   'FIRST'
     C                   ENDSR
Sonar Community Roundup, Jan 31 - Feb 6
4

Hey @1337_Nerd , and welcome to the Community!

Thank you very much for this report. You are correct, the rule S1601 should not trigger for the *INZSR subroutine.

I’ll implement a fix that should be available in the next release of SQS.

Thank you again and have a great weekend. :slight_smile:

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