Auto merge of rust-lang#124560 - madsmtm:update-libc, r=Mark-Simulacrum

Update libc to 0.2.155

Motivation: To fix `-Zbuild-std` / Xargo for visionOS targets.

EDIT: Blocked on ~rust-lang/libc#3608 / rust-lang/libc#3609 ~rust-lang/libc#3682 and rust-lang/libc#3690 No longer blocked.

Author: bors

std/Cargo.toml

@@ -31,11 +31,10 @@ miniz_oxide = { version = "0.7.0", optional = true, default-features = false }
 addr2line = { version = "0.21.0", optional = true, default-features = false }
 
 [target.'cfg(not(all(windows, target_env = "msvc")))'.dependencies]
-libc = { version = "=0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true }
+libc = { version = "0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true }
 
-# Pin libc (pending https://github.com/rust-lang/rust/pull/124560)
 [target.'cfg(all(windows, target_env = "msvc"))'.dependencies]
-libc = { version = "=0.2.153", default-features = false }
+libc = { version = "0.2.153", default-features = false }
 
 [target.'cfg(all(not(target_os = "aix"), not(all(windows, target_env = "msvc", not(target_vendor = "uwp")))))'.dependencies]
 object = { version = "0.32.0", default-features = false, optional = true, features = ['read_core', 'elf', 'macho', 'pe', 'unaligned', 'archive'] }