Update packed_simd and run miri tests on simd code (#4654)

* Update packed_simd and run miri tests on simd code

* Unpin nightly version

.github/workflows/arrow.yml

@@ -142,8 +142,7 @@ jobs:
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
         with:
-          # Pinned nightly (#4651)
-          rust-version: nightly-2023-08-03
+          rust-version: nightly
       - name: Test arrow-array with SIMD
         run: cargo test -p arrow-array --features simd
       - name: Test arrow-ord with SIMD
@@ -169,8 +168,7 @@ jobs:
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
         with:
-          # Pinned nightly (#4651)
-          rust-version: nightly-2023-08-03
+          rust-version: nightly
           target: wasm32-unknown-unknown,wasm32-wasi
       - name: Build wasm32-unknown-unknown
         run: cargo build -p arrow --no-default-features --features=json,csv,ipc,simd,ffi --target wasm32-unknown-unknown

.github/workflows/docs.yml

@@ -37,8 +37,7 @@ jobs:
     strategy:
       matrix:
         arch: [ amd64 ]
-        # Pinned nightly (#4651)
-        rust: [ nightly-2023-08-03 ]
+        rust: [ nightly ]
     container:
       image: ${{ matrix.arch }}/rust
       env:

.github/workflows/miri.sh

@@ -5,11 +5,7 @@
 # Must be run with nightly rust for example
 # rustup default nightly
 
-
-# stacked borrows checking uses too much memory to run successfully in github actions
-# re-enable if the CI is migrated to something more powerful (https://github.com/apache/arrow-rs/issues/1833)
-# see also https://github.com/rust-lang/miri/issues/1367
-export MIRIFLAGS="-Zmiri-disable-isolation -Zmiri-disable-stacked-borrows"
+export MIRIFLAGS="-Zmiri-disable-isolation"
 cargo miri setup
 cargo clean
 
@@ -18,3 +14,5 @@ cargo miri test -p arrow-buffer
 cargo miri test -p arrow-data --features ffi
 cargo miri test -p arrow-schema --features ffi
 cargo miri test -p arrow-array
+cargo miri test -p arrow-arith --features simd
+cargo miri test -p arrow-ord --features simd

arrow-array/Cargo.toml

@@ -49,7 +49,7 @@ chrono-tz = { version = "0.8", optional = true }
 num = { version = "0.4.1", default-features = false, features = ["std"] }
 half = { version = "2.1", default-features = false, features = ["num-traits"] }
 hashbrown = { version = "0.14", default-features = false }
-packed_simd = { version = "0.3", default-features = false, optional = true, package = "packed_simd_2" }
+packed_simd = { version = "0.3.9", default-features = false, optional = true }
 
 [features]
 simd = ["packed_simd"]