Update to the latest c-gull and Rust nightly.

.github/actions/install-rust/action.yml

@@ -8,5 +8,5 @@ inputs:
     default: 'stable'
 
 runs:
-  using: node16
+  using: node20
   main: 'main.js'

.github/workflows/main.yml

@@ -30,12 +30,12 @@ jobs:
         include:
           - build: ubuntu
             os: ubuntu-latest
-            rust: nightly-2024-08-19
+            rust: nightly-2024-10-01
             host_target: x86_64-unknown-linux-gnu
             mustang_target: x86_64-mustang-linux-gnu
           - build: i686-linux
             os: ubuntu-latest
-            rust: nightly-2024-08-19
+            rust: nightly-2024-10-01
             target: i686-unknown-linux-gnu
             gcc_package: gcc-i686-linux-gnu
             gcc: i686-linux-gnu-gcc
@@ -44,7 +44,7 @@ jobs:
             mustang_target: i686-mustang-linux-gnu
           - build: aarch64-linux
             os: ubuntu-latest
-            rust: nightly-2024-08-19
+            rust: nightly-2024-10-01
             target: aarch64-unknown-linux-gnu
             gcc_package: gcc-aarch64-linux-gnu
             gcc: aarch64-linux-gnu-gcc
@@ -54,7 +54,7 @@ jobs:
             mustang_target: aarch64-mustang-linux-gnu
           - build: riscv64-linux
             os: ubuntu-latest
-            rust: nightly-2024-08-19
+            rust: nightly-2024-10-01
             target: riscv64gc-unknown-linux-gnu
             gcc_package: gcc-riscv64-linux-gnu
             gcc: riscv64-linux-gnu-gcc
@@ -138,22 +138,22 @@ jobs:
 
     - name: Install rust-src
       run: |
-        rustup component add rust-src --toolchain nightly-2024-08-19-x86_64-unknown-linux-gnu
+        rustup component add rust-src --toolchain nightly-2024-10-01-x86_64-unknown-linux-gnu
 
     - name: cargo check non-mustang
       run: |
         # Check that the code compiles on non-mustang targets.
-        cargo +nightly-2024-08-19 check --all --target=${{ matrix.host_target }}
+        cargo +nightly-2024-10-01 check --all --target=${{ matrix.host_target }}
 
     - name: cargo test
       run: |
-        cargo +nightly-2024-08-19 test --verbose -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json -- ${{ matrix.test_args }} -- --nocapture
+        cargo +nightly-2024-10-01 test --verbose -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json -- ${{ matrix.test_args }} -- --nocapture
       env:
         RUST_BACKTRACE: 1
 
     - name: cargo test --release
       run: |
-        cargo +nightly-2024-08-19 test --verbose --release -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json  -- ${{ matrix.test_args }}
+        cargo +nightly-2024-10-01 test --verbose --release -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json  -- ${{ matrix.test_args }}
       env:
         RUST_BACKTRACE: 1
 
@@ -181,20 +181,20 @@ jobs:
     - name: test mustang-nostd as program
       working-directory: example-crates/mustang-nostd
       run: |
-        cargo +nightly-2024-08-19 run -Zbuild-std=core,alloc --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2024-10-01 run -Zbuild-std=core,alloc --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1
 
     - name: test mustang-nostd as tests
       working-directory: example-crates/mustang-nostd
       run: |
-        cargo +nightly-2024-08-19 test -Zbuild-std=core,alloc,test,std --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2024-10-01 test -Zbuild-std=core,alloc,test,std --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1
 
     - name: test mustang-custom-allocator as tests
       working-directory: example-crates/mustang-custom-allocator
       run: |
-        cargo +nightly-2024-08-19 run -Zbuild-std --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2024-10-01 run -Zbuild-std --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1

Cargo.toml

@@ -13,7 +13,7 @@ exclude = ["/.github", "ci"]
 keywords = ["linux"]
 
 [target.'cfg(target_vendor = "mustang")'.dependencies]
-c-gull = { version = "0.17.0", default-features = false, features = ["take-charge", "call-main", "malloc-via-crates", "define-mem-functions"] }
+c-gull = { version = "0.18.1", default-features = false, features = ["take-charge", "call-main", "malloc-via-crates", "define-mem-functions"] }
 
 [dev-dependencies]
 similar-asserts = "1.1.0"
@@ -29,7 +29,9 @@ ctor = "0.2.0"
 which = "6.0.0"
 
 # Test that the core_simd crate works under mustang.
-core_simd = { git = "https://github.com/rust-lang/portable-simd" }
+# TODO: Reenable this when the crate compiles on nightly. Currently it gets:
+#  - error[E0511]: invalid monomorphization of `simd_shuffle` intrinsic: simd_shuffle index must be a SIMD vector of `u32`, got `[u32; 4]`
+#core_simd = { git = "https://github.com/rust-lang/portable-simd" }
 
 [features]
 default = ["thread", "std"]
@@ -43,9 +45,3 @@ std = ["c-gull/std"]
 # Enable highly experimental support for performing startup-time relocations,
 # needed to support statically-linked PIE executables.
 experimental-relocate = ["c-gull/experimental-relocate"]
-
-# TODO: Remove this workaround when
-# https://github.com/llvm/llvm-project/pull/105513
-# makes it into the Rust compiler.
-[profile.dev.package.unwinding]
-debug = false

README.md

@@ -77,15 +77,6 @@ builds arranges for `mustang`'s libraries to be linked in.
 mustang::can_run_this!();
 ```
 
-And, to work around an LLVM bug, add the following to Cargo.toml:
-```toml
-# TODO: Remove this workaround when
-# https://github.com/llvm/llvm-project/pull/105513
-# makes it into the Rust compiler.
-[profile.dev.package.unwinding]
-debug = false
-```
-
 Then, compile with Rust nightly, using `-Z build-std` and
 `--target=<mustang-target>`. For example:
 

example-crates/mustang-custom-allocator/Cargo.toml

@@ -12,9 +12,3 @@ mustang = { path = "../.." }
 rustix-dlmalloc = { version = "0.1.0", features = ["global"] }
 
 [workspace]
-
-# TODO: Remove this workaround when
-# https://github.com/llvm/llvm-project/pull/105513
-# makes it into the Rust compiler.
-[profile.dev.package.unwinding]
-debug = false

example-crates/mustang-example-lto/Cargo.toml

@@ -14,9 +14,3 @@ lto = true
 
 # This is just an example crate, and not part of the mustang workspace.
 [workspace]
-
-# TODO: Remove this workaround when
-# https://github.com/llvm/llvm-project/pull/105513
-# makes it into the Rust compiler.
-[profile.dev.package.unwinding]
-debug = false

example-crates/mustang-example/Cargo.toml

@@ -10,9 +10,3 @@ mustang = { path = "../.." }
 
 # This is just an example crate, and not part of the mustang workspace.
 [workspace]
-
-# TODO: Remove this workaround when
-# https://github.com/llvm/llvm-project/pull/105513
-# makes it into the Rust compiler.
-[profile.dev.package.unwinding]
-debug = false

example-crates/mustang-nostd/Cargo.toml

@@ -12,9 +12,3 @@ mustang = { path = "../..", default-features = false, features = ["thread"] }
 rustix-dlmalloc = { version = "0.1.0", features = ["global"] }
 
 [workspace]
-
-# TODO: Remove this workaround when
-# https://github.com/llvm/llvm-project/pull/105513
-# makes it into the Rust compiler.
-[profile.dev.package.unwinding]
-debug = false

examples/test-simd.rs

@@ -2,12 +2,15 @@
 
 mustang::can_run_this!();
 
-use core::arch::asm;
+//use core::arch::asm;
 
 fn main() {
+    // TODO: Reenable this when the crate compiles on nightly.
+    /*
     use core_simd::simd::*;
     let mut a = f32x4::splat(2.0);
     unsafe { asm!("# {}", in(reg) &mut a) };
     assert_eq!(a, f32x4::splat(2.0));
     assert_eq!(&a as *const _ as usize & 0xf, 0);
+    */
 }

tests/examples.rs

@@ -39,7 +39,7 @@ fn test_example(name: &str, features: &str, stdout: &str, stderr: &str) {
 
     let mut command = Command::new("cargo");
     if which::which("rustup").is_ok() {
-        command.arg("+nightly-2024-08-19");
+        command.arg("+nightly-2024-10-01");
     }
     command.arg("run").arg("--quiet");
     if !features.is_empty() {