Remove obsolete no_mangle directives

src/common.rs

@@ -988,8 +988,6 @@ pub const fn char_offset(base: char, offset: u32) -> char {
     }
 }
 
-#[no_mangle]
-#[inline(never)]
 fn debug_thread_error() {
     // Wait for a SIGINT. We can't use sigsuspend() because the signal may be delivered on another
     // thread.

src/env/mod.rs

@@ -16,15 +16,12 @@ pub const DEFAULT_READ_BYTE_LIMIT: usize = 100 * 1024 * 1024;
 
 /// The actual `read` limit in effect, defaulting to [`DEFAULT_READ_BYTE_LIMIT`] but overridable
 /// with `$fish_read_limit`.
-#[no_mangle]
 pub static READ_BYTE_LIMIT: AtomicUsize = AtomicUsize::new(DEFAULT_READ_BYTE_LIMIT);
 
 /// The curses `cur_term` TERMINAL pointer has been set up.
-#[no_mangle]
 pub static CURSES_INITIALIZED: AtomicBool = AtomicBool::new(false);
 
 /// Does the terminal have the "eat new line" glitch.
-#[no_mangle]
 pub static TERM_HAS_XN: AtomicBool = AtomicBool::new(false);
 
 static SETENV_LOCK: Mutex<()> = Mutex::new(());

src/fallback.rs

@@ -12,7 +12,6 @@ use std::{ffi::CString, mem, os::fd::RawFd};
 
 /// Width of ambiguous East Asian characters and, as of TR11, all private-use characters.
 /// 1 is the typical default, but we accept any non-negative override via `$fish_ambiguous_width`.
-#[no_mangle]
 pub static FISH_AMBIGUOUS_WIDTH: AtomicI32 = AtomicI32::new(1);
 
 /// Width of emoji characters.
@@ -25,7 +24,6 @@ pub static FISH_AMBIGUOUS_WIDTH: AtomicI32 = AtomicI32::new(1);
 /// Valid values are 1, and 2. 1 is the typical emoji width used in Unicode 8 while some newer
 /// terminals use a width of 2 since Unicode 9.
 // For some reason, this is declared here and exposed here, but is set in `env_dispatch`.
-#[no_mangle]
 pub static FISH_EMOJI_WIDTH: AtomicI32 = AtomicI32::new(1);
 
 static WC_LOOKUP_TABLE: Lazy<WcLookupTable> = Lazy::new(WcLookupTable::new);