Auto merge of #140565 - GuillaumeGomez:rollup-gv4ed14, r=GuillaumeGomez

Rollup of 12 pull requests

Successful merges:

 - #138703 (chore: remove redundant words in comment)
 - #139186 (Refactor `diy_float`)
 - #139780 (docs: Add example to `Iterator::take` with `by_ref`)
 - #139802 (Fix some grammar errors and hyperlinks in doc for `trait Allocator`)
 - #140034 (simd_select_bitmask: the 'padding' bits in the mask are just ignored)
 - #140062 (std: mention `remove_dir_all` can emit `DirectoryNotEmpty` when concurrently written into)
 - #140420 (rustdoc: Fix doctest heuristic for main fn wrapping)
 - #140460 (Fix handling of LoongArch target features not supported by LLVM 19)
 - #140538 (rustc-dev-guide subtree update)
 - #140544 (Clean up "const" situation in format_args!(). )
 - #140552 (allow `#[rustc_std_internal_symbol]` in combination with `#[naked]`)
 - #140556 (Improve error output in case `nodejs` or `npm` is not installed for rustdoc-gui test suite)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 6 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index 6412a537a79..507cbf20d89 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -273,6 +273,12 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
         ("aarch64", "fpmr") => None, // only existed in 18
         ("arm", "fp16") => Some(LLVMFeature::new("fullfp16")),
         // Filter out features that are not supported by the current LLVM version
+        ("loongarch64", "div32" | "lam-bh" | "lamcas" | "ld-seq-sa" | "scq")
+            if get_version().0 < 20 =>
+        {
+            None
+        }
+        // Filter out features that are not supported by the current LLVM version
         ("riscv32" | "riscv64", "zacas") if get_version().0 < 20 => None,
         // Enable the evex512 target feature if an avx512 target feature is enabled.
         ("x86", s) if s.starts_with("avx512") => {