RTEMS | _Processor_mask_Find_last_set() use breaks GCC16+ builds using "-std" flags (#5501)

Matteo Concas (@matteo.concas) gitlab at rtems.org
Mon Mar 2 08:37:42 UTC 2026




Matteo Concas commented on a discussion: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5501#note_143950


No, there's no driver manager involved here. Following the include chain I do end up in `bitset.h` where `__BIT_FLS()` is defined. For what it's worth this is on GCC 16.0.1. I do not have this issue on 15.2.0.

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View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5501#note_143950
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