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Auto merge of #104385 - BlackHoleFox:apple-minimum-bumps, r=petrochenkov

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Raise minimum supported Apple OS versions

This implements the proposal to raise the minimum supported Apple OS versions as laid out in the now-completed MCP (https://github.com/rust-lang/compiler-team/issues/556).

As of this PR, rustc and the stdlib now support these versions as the baseline:
- macOS: 10.12 Sierra
- iOS: 10
- tvOS: 10
- watchOS: 5 (Unchanged)

In addition to everything this breaks indirectly, these changes also erase the `armv7-apple-ios` target (currently tier 3) because the oldest supported iOS device now uses ARMv7s. Not sure what the policy around tier3 target removal is but shimming it is not an option due to the linker refusing.

[Per comment](https://github.com/rust-lang/compiler-team/issues/556#issuecomment-1297175073), this requires a FCP to merge. cc `@wesleywiser.`
This commit is contained in:
bors 2023-09-24 02:35:05 +00:00
commit 42ca6e4e57
18 changed files with 49 additions and 93 deletions
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2
library/std/src/sys/unix/thread_local_dtor.rs
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@ -48,7 +48,7 @@ pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
// workaround below is to register, via _tlv_atexit, a custom DTOR list once per
// thread. thread_local dtors are pushed to the DTOR list without calling
// _tlv_atexit.
#[cfg(target_os = "macos")]
#[cfg(any(target_os = "macos", target_os = "ios", target_os = "watchos"))]
pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
use crate::cell::Cell;
use crate::mem;