fix(cuda_std): pack warp shuffle/match return into i64 for LLVM 19 verifier#391

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brandonros wants to merge 6 commits intoRust-GPU:mainfrom

brandonros:llvm-19-fixes

Commits on Apr 29, 2026

feat(container): add ubuntu24-cuda13 image with LLVM 19.1.7

brandonros
and
claude
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ci: derive container image namespace from repo owner

brandonros
and
claude
committed

Commits on Apr 30, 2026

feat(vecadd): add llvm19 feature passthrough to cuda_builder

brandonros
and
claude
committed

Commits on May 2, 2026

refactor(rustc_codegen_nvvm): parameterize build.rs over LlvmFlavor

brandonros
and
claude
committed

Commits on May 3, 2026