tree e851dad5afa4212c6e2dbf2d94f43fbe4e0c5037
parent 09647ef9b373492e1a462c64d72f4d8227b7933e
author Jakub Kuderski <jakub@nod-labs.com> 1757291151 -0400
committer GitHub <noreply@github.com> 1757291151 -0400
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Avoid needles isa checks. NFC. (#21885)

Do not check types with `isa` just to repeat the same lookup in `cast`.
See

https://llvm.org/docs/ProgrammersManual.html#the-isa-cast-and-dyn-cast-templates.

Also fix nits in surrounding code.