more test updates

Author: folkertdev

library/core/src/ffi/va_list.rs

@@ -189,8 +189,6 @@ crate::cfg_select! {
 /// is automatically initialized (equivalent to calling `va_start` in C).
 ///
 /// ```
-/// #![feature(c_variadic)]
-///
 /// use std::ffi::VaList;
 ///
 /// /// # Safety

src/tools/miri/tests/fail/c-variadic-mismatch-count.rs

@@ -1,5 +1,3 @@
-#![feature(c_variadic)]
-
 unsafe extern "C" fn helper(_: i32, _: ...) {}
 
 fn main() {

src/tools/miri/tests/fail/c-variadic.rs

@@ -1,5 +1,3 @@
-#![feature(c_variadic)]
-
 //@error-in-other-file: Undefined Behavior: more C-variadic arguments read than were passed
 
 fn read_too_many() {

src/tools/miri/tests/pass/c-variadic.rs

@@ -1,5 +1,3 @@
-#![feature(c_variadic)]
-
 use std::ffi::{CStr, VaList, c_char, c_double, c_int, c_long};
 
 fn ignores_arguments() {

tests/assembly-llvm/c-variadic-arm.rs

@@ -5,7 +5,6 @@
 //@ ignore-android
 #![no_std]
 #![crate_type = "lib"]
-#![feature(c_variadic)]
 
 // Check that the assembly that rustc generates matches what clang emits.
 

tests/assembly-llvm/c-variadic-mips.rs

@@ -8,7 +8,7 @@
 //@ [MIPS64] needs-llvm-components: mips
 //@ [MIPS64EL] compile-flags: -Copt-level=3 --target mips64el-unknown-linux-gnuabi64
 //@ [MIPS64EL] needs-llvm-components: mips
-#![feature(c_variadic, no_core, lang_items, intrinsics, rustc_attrs, asm_experimental_arch)]
+#![feature(no_core, lang_items, intrinsics, rustc_attrs, asm_experimental_arch)]
 #![no_core]
 #![crate_type = "lib"]
 

tests/codegen-llvm/cffi/c-variadic-naked.rs

@@ -4,7 +4,6 @@
 // tests that `va_start` is not injected into naked functions
 
 #![crate_type = "lib"]
-#![feature(c_variadic)]
 #![no_std]
 
 #[unsafe(naked)]

tests/codegen-llvm/cffi/c-variadic.rs

@@ -2,7 +2,6 @@
 //@ compile-flags: -C no-prepopulate-passes -Copt-level=0
 
 #![crate_type = "lib"]
-#![feature(c_variadic)]
 #![no_std]
 use core::ffi::VaList;
 

tests/mir-opt/inline/inline_compatibility.rs

@@ -5,7 +5,6 @@
 
 #![crate_type = "lib"]
 #![feature(sanitize)]
-#![feature(c_variadic)]
 
 #[inline]
 #[target_feature(enable = "sse2")]

tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs

@@ -1,5 +1,4 @@
 #![crate_type = "staticlib"]
-#![feature(c_variadic)]
 
 use core::ffi::{CStr, VaList, c_char, c_double, c_int, c_long, c_longlong};