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1123d49090
gpu offload: change suspicious map into filter
Fixes clippy warning:
```text
warning: this call to `map()` won't have an effect on the call to `count()`
--> compiler/rustc_codegen_llvm/src/builder/gpu_offload.rs:194:25
|
194 | let num_ptr_types = types
| _________________________^
195 | | .iter()
196 | | .map(|&x| matches!(cx.type_kind(x), rustc_codegen_ssa::common::TypeKind::Pointer))
197 | | .count();
| |________________^
|
= help: make sure you did not confuse `map` with `filter`, `for_each` or `inspect`
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_map
= note: `-W clippy::suspicious-map` implied by `-W clippy::suspicious`
= help: to override `-W clippy::suspicious` add `#[allow(clippy::suspicious_map)]`
```
The codegen crate contains the code to convert from MIR into LLVM IR,
and then from LLVM IR into machine code. In general it contains code
that runs towards the end of the compilation process.
For more information about how codegen works, see the rustc dev guide.