1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 8265b0114ce..d7316b11a90 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -2443,7 +2443,7 @@ unsafe extern "C" {
         OutputObjFile: *const c_char,
         DebugInfoCompression: *const c_char,
         UseEmulatedTls: bool,
-        ArgsCstrBuff: *const c_char,
+        ArgsCstrBuff: *const c_uchar, // See "PTR_LEN_STR".
         ArgsCstrBuffLen: usize,
         UseWasmEH: bool,
     ) -> *mut TargetMachine;