Auto merge of #140256 - matthiaskrgr:rollup-8if58zf, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #136083 (Suggest {to,from}_ne_bytes for transmutations between arrays and integers, etc)
 - #138282 (Add `#[repr(u128)]`/`#[repr(i128)]` enums to `improper_ctypes_definitions`)
 - #139700 (Autodiff flags)
 - #140139 (rustc_target: Adjust RISC-V feature implication)
 - #140141 (Move zkVM constants into `sys::env_consts`)
 - #140150 (fix MAX_EXP and MIN_EXP docs)
 - #140172 (Make algebraic functions into `const fn` items.)
 - #140191 (Remove git repository from git config)

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

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs
index e7c071d05aa..0147bd5a665 100644
--- a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs
+++ b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs
@@ -473,7 +473,7 @@ pub(crate) fn differentiate<'ll>(
         return Err(diag_handler.handle().emit_almost_fatal(AutoDiffWithoutEnable));
     }
 
-    // Before dumping the module, we want all the TypeTrees to become part of the module.
+    // Here we replace the placeholder code with the actual autodiff code, which calls Enzyme.
     for item in diff_items.iter() {
         let name = item.source.clone();
         let fn_def: Option<&llvm::Value> = cx.get_function(&name);