Misc Fixes for 2026/09/12 - #1824

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

converting ‘IceMaths::HPoint’ to a base class ‘IceMaths::Point’ will never use a type conversion operator [-Wclass-conversion]

converting ‘IceMaths::HPoint’ to a base class ‘IceMaths::Point’ will never use a type conversion operator [-Wclass-conversion]

converting ‘IceMaths::HPoint’ to a base class ‘IceMaths::Point’ will never use a type conversion operator [-Wclass-conversion]

converting ‘IceMaths::HPoint’ to a base class ‘IceMaths::Point’ will never use a type conversion operator [-Wclass-conversion]

redundant move in initialization [-Wredundant-move]

‘void __atomic_store_8(volatile void*, long unsigned int, int)’ writing 8 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]

‘void __atomic_store_4(volatile void*, unsigned int, int)’ writing 4 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]

‘void __atomic_store_4(volatile void*, unsigned int, int)’ writing 4 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]

‘void __atomic_store_4(volatile void*, unsigned int, int)’ writing 4 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]