Rollup merge of #153462 - cuviper:bootstrap-update, r=Mark-Simulacrum

Bootstrap update

- Replace version placeholders with 1.95.0
- Bump stage0 to 1.95.0-beta.1
- Clear `STAGE0_MISSING_TARGETS`
- Update `cfg(bootstrap)`
- Reformat with the new stage0

Author: JonathanBrouwer

crates/core_arch/src/aarch64/neon/generated.rs

@@ -49,7 +49,7 @@ pub fn __crc32d(crc: u32, data: u64) -> u32 {
 #[inline(always)]
 #[target_feature(enable = "jsconv")]
 #[cfg_attr(test, assert_instr(fjcvtzs))]
-#[stable(feature = "stdarch_aarch64_jscvt", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "stdarch_aarch64_jscvt", since = "1.95.0")]
 pub fn __jcvt(a: f64) -> i32 {
     unsafe extern "unadjusted" {
         #[cfg_attr(

crates/stdarch-gen-arm/spec/neon/aarch64.spec.yml

@@ -64,7 +64,7 @@ neon-unstable-feat-lut: &neon-unstable-feat-lut
   FnCall: [unstable, ['feature = "stdarch_neon_feat_lut"', 'issue = "138050"']]
 
 aarch64-stable-jscvt: &aarch64-stable-jscvt
-  FnCall: [stable, ['feature = "stdarch_aarch64_jscvt"', 'since = "CURRENT_RUSTC_VERSION"']]
+  FnCall: [stable, ['feature = "stdarch_aarch64_jscvt"', 'since = "1.95.0"']]
 
 # #[unstable(feature = "stdarch_neon_feat_lrcpc3", issue = "none")]
 neon-unstable-feat-lrcpc3: &neon-unstable-feat-lrcpc3