Rollup of 6 pull requests#151767

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GuillaumeGomez wants to merge 17 commits intorust-lang:mainfrom

GuillaumeGomez:rollup-O9teiYe

Commits on Jan 12, 2026

Add some clarifications and fixes for fmt syntax
ehuss
committed

Commits on Jan 21, 2026

move initialization of omp/ol runtimes into global_ctor/dtor
ZuseZ4
committed

Commits on Jan 27, 2026