|  | //! This is a regression test for <https://github.com/rust-lang/rust/issues/137366>, ensuring | 
|  | //! that we can use the `neon` target feature on ARM32 targets in rustdoc despite there | 
|  | //! being a "forbidden" feature of the same name for aarch64, and rustdoc merging the | 
|  | //! target features of all targets. | 
|  | //@ check-pass | 
|  | //@ revisions: arm aarch64 | 
|  | //@[arm] compile-flags: --target armv7-unknown-linux-gnueabihf | 
|  | //@[arm] needs-llvm-components: arm | 
|  | //@[aarch64] compile-flags: --target aarch64-unknown-none-softfloat | 
|  | //@[aarch64] needs-llvm-components: aarch64 | 
|  |  | 
|  | #![crate_type = "lib"] | 
|  | #![feature(no_core, lang_items)] | 
|  | #![feature(arm_target_feature)] | 
|  | #![no_core] | 
|  |  | 
|  | #[lang = "pointee_sized"] | 
|  | pub trait PointeeSized {} | 
|  |  | 
|  | #[lang = "meta_sized"] | 
|  | pub trait MetaSized: PointeeSized {} | 
|  |  | 
|  | #[lang = "sized"] | 
|  | pub trait Sized: MetaSized {} | 
|  |  | 
|  | // `fp-armv8` is "forbidden" on aarch64 as we tie it to `neon`. | 
|  | #[target_feature(enable = "fp-armv8")] | 
|  | pub fn fun1() {} | 
|  |  | 
|  | // This would usually be rejected as it changes the ABI. | 
|  | // But we disable that check in rustdoc since we are building "for all targets" and the | 
|  | // check can't really handle that. | 
|  | #[target_feature(enable = "soft-float")] | 
|  | pub fn fun2() {} |