What language is this for? C++ Which rule? cpp:S6018 (“Inline variables should be used to declare global variables in header files”) Why do you believe it’s a false-positive/false-negative? Because my variable is inline already. SonarQube for VS 2026, v10.1.0.16642 in connected mode wi…

[image] G Ann Campbell: replicable on the current version Yes it is

Hi, Thanks for confirming. I’ve flagged this for the language experts. Ann

Hi @bers , While well intended, this rule had many issues. For instance, it claims that a template variable is always used as a workaround for an inline variable, even when the template variable is used because it is what is needed, and even when it is inline… We could have fixed this last part, bu…

cpp:S6018 false-positive for `template`d `inline` `constexpr`s

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

ganncamp (G Ann Campbell) May 13, 2026, 11:56am 2

Hi (again :D),

We appreciate these reports. Can you make sure they’re (both) still replicable on the current version?

Thx,
Ann

Topic		Replies	Views
cpp:S5408 '"constexpr" functions should not be declared "inline"' is wrong about variables Report False-positive / False-negative... cfamily	1	859	April 7, 2021
FP C++ / S6018: static local variable & inline Report False-positive / False-negative... cfamily	1	55	April 20, 2026
Rule "cpp:S6018 - use inline variables" should not apply to function local variables SonarQube Cloud cfamily	3	1421	April 21, 2022
C++ fully specialized templates seen as variable SonarQube Server / Community Build sonarqube , cfamily , bug	9	686	December 1, 2022
Example of c++ singleton pattern Report False-positive / False-negative... cfamily	1	1017	April 25, 2023

cpp:S6018 false-positive for `template`d `inline` `constexpr`s

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