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-rw-r--r--compiler/rustc_codegen_llvm/src/llvm/ffi.rs8
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 2b71e8954bb..507a29c15c8 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -1014,8 +1014,12 @@ unsafe extern "C" {
     pub(crate) fn LLVMGetDataLayoutStr(M: &Module) -> *const c_char;
     pub(crate) fn LLVMSetDataLayout(M: &Module, Triple: *const c_char);
 
-    /// See Module::setModuleInlineAsm.
-    pub(crate) fn LLVMAppendModuleInlineAsm(M: &Module, Asm: *const c_char, Len: size_t);
+    /// Append inline assembly to a module. See `Module::appendModuleInlineAsm`.
+    pub(crate) fn LLVMAppendModuleInlineAsm(
+        M: &Module,
+        Asm: *const c_uchar, // See "PTR_LEN_STR".
+        Len: size_t,
+    );
 
     /// Create the specified uniqued inline asm string. See `InlineAsm::get()`.
     pub(crate) fn LLVMGetInlineAsm<'ll>(