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[ci] Upgrade to GCC14 #1266

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[ci] Upgrade to GCC14 #1266

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@salkinium salkinium commented May 18, 2025 •
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Let's see what breaks…

  • avr-gcc 14 now delegates __atomic_test_and_set to the library: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118280
  • avr-gcc 14 seems to have a size regression and overflows the unittests for the Arduino Uno and Nano. This is not an issue for us, since the unittests still fit in their entirety on the ATMega2560.
  • Windows arm-none-eabi-gcc weirdness.

@salkinium salkinium added this to the 2025q2 milestone May 18, 2025
@salkinium salkinium force-pushed the feature/gcc14 branch 7 times, most recently from abd9903 to bbeb2f4 Compare May 19, 2025 21:12
@salkinium salkinium force-pushed the feature/gcc14 branch 4 times, most recently from 3ebf4aa to 2e15110 Compare May 20, 2025 21:49
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