Update toolchain nightly-2026-04-01

crates/rustc_codegen_spirv/build.rs

@@ -19,9 +19,9 @@ use std::{env, fs, mem};
 /// `cargo publish`. We need to figure out a way to do this properly, but let's hardcode it for now :/
 //const REQUIRED_RUST_TOOLCHAIN: &str = include_str!("../../rust-toolchain.toml");
 const REQUIRED_RUST_TOOLCHAIN: &str = r#"[toolchain]
-channel = "nightly-2026-03-14"
+channel = "nightly-2026-04-01"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = 1d8897a4e88051480b36c501e66809425c6e08ad"#;
+# commit_hash = 48cc71ee88cd0f11217eced958b9930970da998b"#;
 
 fn rustc_output(arg: &str) -> Result<String, Box<dyn Error>> {
     let rustc = env::var("RUSTC").unwrap_or_else(|_| "rustc".into());

crates/rustc_codegen_spirv/src/builder/intrinsics.rs

@@ -193,15 +193,13 @@ impl<'a, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'tcx> {
                     args[2].immediate(),
                 ],
             ),
-            sym::fabsf32 | sym::fabsf64 | sym::fabsf128 => {
-                self.gl_op(GLOp::FAbs, ret_ty, [args[0].immediate()])
-            }
-            sym::minnumf32 | sym::minnumf64 | sym::minnumf128 => self.gl_op(
+            sym::fabs => self.gl_op(GLOp::FAbs, ret_ty, [args[0].immediate()]),
+            sym::minimumf32 | sym::minimumf64 | sym::minimumf128 => self.gl_op(
                 GLOp::FMin,
                 ret_ty,
                 [args[0].immediate(), args[1].immediate()],
             ),
-            sym::maxnumf32 | sym::maxnumf64 | sym::maxnumf128 => self.gl_op(
+            sym::maximumf32 | sym::maximumf64 | sym::maximumf128 => self.gl_op(
                 GLOp::FMax,
                 ret_ty,
                 [args[0].immediate(), args[1].immediate()],

rust-toolchain.toml

@@ -1,7 +1,7 @@
 [toolchain]
-channel = "nightly-2026-03-14"
+channel = "nightly-2026-04-01"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = 1d8897a4e88051480b36c501e66809425c6e08ad
+# commit_hash = 48cc71ee88cd0f11217eced958b9930970da998b
 
 # Whenever changing the nightly channel, update the commit hash above, and
 # change `REQUIRED_RUST_TOOLCHAIN` in `crates/rustc_codegen_spirv/build.rs` too.

tests/compiletests/ui/arch/debug_printf_type_checking.stderr

@@ -114,19 +114,14 @@ error[E0277]: the trait bound `{float}: spirv_std::Vector<f32, 2>` is not satisf
 LL |         debug_printf!("%v2f", 11.0);
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `spirv_std::Vector<f32, 2>` is not implemented for `{float}`
    |
-   = help: the following other types implement trait `spirv_std::Vector<T, N>`:
-             `BVec2` implements `spirv_std::Vector<bool, 2>`
-             `BVec3` implements `spirv_std::Vector<bool, 3>`
-             `BVec4` implements `spirv_std::Vector<bool, 4>`
-             `DVec2` implements `spirv_std::Vector<f64, 2>`
-             `DVec3` implements `spirv_std::Vector<f64, 3>`
-             `DVec4` implements `spirv_std::Vector<f64, 4>`
-             `IVec2` implements `spirv_std::Vector<i32, 2>`
-             `IVec3` implements `spirv_std::Vector<i32, 3>`
-           and 8 others
+help: the trait `spirv_std::Vector<f32, 2>` is implemented for `Vec2`
+  --> $SPIRV_STD_SRC/vector.rs:70:12
+  ::: $SPIRV_STD_SRC/vector.rs:92:1
+   |
+   = note: in this macro invocation
 note: required by a bound in `spirv_std::debug_printf::assert_is_vector`
   --> $SPIRV_STD_SRC/debug_printf.rs:11:0
-   = note: this error originates in the macro `debug_printf` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `debug_printf` which comes from the expansion of the macro `impl_vector` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0308]: mismatched types
   --> $DIR/debug_printf_type_checking.rs:25:29

tests/compiletests/ui/arch/subgroup/subgroup_composite_enum_err.stderr

@@ -52,13 +52,13 @@ error[E0277]: the trait bound `i32: From<NoFrom>` is not satisfied
 LL | #[derive(Copy, Clone, Default, ScalarComposite)]
     |                                ^^^^^^^^^^^^^^^ the trait `From<NoFrom>` is not implemented for `i32`
     |
-    = help: the following other types implement trait `From<T>`:
-             `i32` implements `From<NoDefault>`
-             `i32` implements `From<bool>`
-             `i32` implements `From<i16>`
-             `i32` implements `From<i8>`
-             `i32` implements `From<u16>`
-             `i32` implements `From<u8>`
+    = help: `i32` implements trait `From<T>`:
+             From<NoDefault>
+             From<bool>
+             From<i16>
+             From<i8>
+             From<u16>
+             From<u8>
     = note: required for `NoFrom` to implement `Into<i32>`
     = note: this error originates in the derive macro `ScalarComposite` (in Nightly builds, run with -Z macro-backtrace for more info)
 
@@ -86,24 +86,24 @@ error[E0277]: the trait bound `i32: From<WrongFrom>` is not satisfied
 LL | #[derive(Copy, Clone, Default, ScalarComposite)]
     |                                ^^^^^^^^^^^^^^^ the trait `From<WrongFrom>` is not implemented for `i32`
     |
-    = help: the following other types implement trait `From<T>`:
-             `i32` implements `From<NoDefault>`
-             `i32` implements `From<bool>`
-             `i32` implements `From<i16>`
-             `i32` implements `From<i8>`
-             `i32` implements `From<u16>`
-             `i32` implements `From<u8>`
+    = help: `i32` implements trait `From<T>`:
+             From<NoDefault>
+             From<bool>
+             From<i16>
+             From<i8>
+             From<u16>
+             From<u8>
     = note: required for `WrongFrom` to implement `Into<i32>`
     = note: this error originates in the derive macro `ScalarComposite` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error[E0599]: no variant or associated item named `default` found for enum `NoDefault` in the current scope
+error[E0599]: no variant, associated function, or constant named `default` found for enum `NoDefault` in the current scope
    --> $DIR/subgroup_composite_enum_err.rs:
     |
 LL |                     _ => Self::default(),
-    |                                ^^^^^^^ variant or associated item not found in `NoDefault`
+    |                                ^^^^^^^ variant, associated function, or constant not found in `NoDefault`
 ...
 LL | pub enum NoDefault {
-    | ------------------ variant or associated item `default` not found for this enum
+    | ------------------ variant, associated function, or constant `default` not found for this enum
 ...
 LL | enum_repr_from!(NoDefault, i32);
     | ------------------------------- in this macro invocation

tests/compiletests/ui/dis/ptr_copy.normal.stderr

@@ -1,11 +1,11 @@
 error: cannot memcpy dynamically sized data
-  --> <$CORE_SRC/ptr/mod.rs>:642:9
+  --> <$CORE_SRC/ptr/mod.rs>:643:9
    |
 LL |         crate::intrinsics::copy(src, dst, count)
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: used from within `core::ptr::copy::<f32>`
-  --> <$CORE_SRC/ptr/mod.rs>:627:21
+  --> <$CORE_SRC/ptr/mod.rs>:628:21
    |
 LL | pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) {
    |                     ^^^^
@@ -28,7 +28,7 @@ LL | pub fn main(i: f32, o: &mut f32) {
 error: cannot cast between pointer types
        from `*f32`
          to `*struct () {  }`
-  --> <$CORE_SRC/ptr/mod.rs>:630:9
+  --> <$CORE_SRC/ptr/mod.rs>:631:9
    |
 LL | /         ub_checks::assert_unsafe_precondition!(
 LL | |             check_language_ub,
@@ -39,7 +39,7 @@ LL | |         );
    | |_________^
    |
 note: used from within `core::ptr::copy::<f32>`
-  --> <$CORE_SRC/ptr/mod.rs>:630:9
+  --> <$CORE_SRC/ptr/mod.rs>:631:9
    |
 LL | /         ub_checks::assert_unsafe_precondition!(
 LL | |             check_language_ub,

tests/compiletests/ui/dis/ptr_read.stderr

@@ -2,7 +2,7 @@
 %4 = OpFunctionParameter  %5
 %6 = OpFunctionParameter  %5
 %7 = OpLabel
-OpLine %8 1720 8
+OpLine %8 1721 8
 %9 = OpLoad  %10  %4
 OpLine %11 7 13
 OpStore %6 %9

tests/compiletests/ui/dis/ptr_read_method.stderr

@@ -2,7 +2,7 @@
 %4 = OpFunctionParameter  %5
 %6 = OpFunctionParameter  %5
 %7 = OpLabel
-OpLine %8 1720 8
+OpLine %8 1721 8
 %9 = OpLoad  %10  %4
 OpLine %11 7 13
 OpStore %6 %9

tests/compiletests/ui/dis/ptr_write.stderr

@@ -4,7 +4,7 @@
 %7 = OpLabel
 OpLine %8 7 35
 %9 = OpLoad  %10  %4
-OpLine %11 1920 40
+OpLine %11 1921 40
 OpStore %6 %9
 OpNoLine
 OpReturn

tests/compiletests/ui/dis/ptr_write_method.stderr

@@ -4,7 +4,7 @@
 %7 = OpLabel
 OpLine %8 7 37
 %9 = OpLoad  %10  %4
-OpLine %11 1920 40
+OpLine %11 1921 40
 OpStore %6 %9
 OpNoLine
 OpReturn

tests/compiletests/ui/lang/consts/u32-from-u64-fail.stderr

@@ -4,13 +4,13 @@ error[E0277]: the trait bound `u32: From<u64>` is not satisfied
 LL |     let value = u32::from(K);
    |                 ^^^ the trait `From<u64>` is not implemented for `u32`
    |
-   = help: the following other types implement trait `From<T>`:
-             `u32` implements `From<Ipv4Addr>`
-             `u32` implements `From<bool>`
-             `u32` implements `From<char>`
-             `u32` implements `From<core::ascii::Char>`
-             `u32` implements `From<u16>`
-             `u32` implements `From<u8>`
+   = help: `u32` implements trait `From<T>`:
+             From<Ipv4Addr>
+             From<bool>
+             From<char>
+             From<core::ascii::Char>
+             From<u16>
+             From<u8>
 
 error: aborting due to 1 previous error