1 files changed, 26 insertions, 0 deletions
diff --git a/library/stdarch/crates/core_arch/src/wasm32/mod.rs b/library/stdarch/crates/core_arch/src/wasm32/mod.rs
new file mode 100644
index 000000000..2fbe80e99
--- /dev/null
+++ b/library/stdarch/crates/core_arch/src/wasm32/mod.rs
@@ -0,0 +1,26 @@
+//! WASM32 intrinsics
+
+#[cfg(test)]
+use stdarch_test::assert_instr;
+
+mod atomic;
+pub use self::atomic::*;
+
+mod simd128;
+pub use self::simd128::*;
+
+mod memory;
+pub use self::memory::*;
+
+/// Generates the [`unreachable`] instruction, which causes an unconditional [trap].
+///
+/// This function is safe to call and immediately aborts the execution.
+///
+/// [`unreachable`]: https://webassembly.github.io/spec/core/syntax/instructions.html#syntax-instr-control
+/// [trap]: https://webassembly.github.io/spec/core/intro/overview.html#trap
+#[cfg_attr(test, assert_instr(unreachable))]
+#[inline]
+#[stable(feature = "unreachable_wasm32", since = "1.37.0")]
+pub fn unreachable() -> ! {
+    crate::intrinsics::abort()
+}