fixup

Author: ZuseZ4

compiler/rustc_codegen_llvm/src/llvm/ffi.rs

@@ -1223,6 +1223,7 @@ unsafe extern "C" {
 
     // Operations on functions
     pub(crate) fn LLVMSetFunctionCallConv(Fn: &Value, CC: c_uint);
+    pub(crate) fn LLVMDeleteFunction(Fn: &Value);
 
     // Operations about llvm intrinsics
     pub(crate) fn LLVMLookupIntrinsicID(Name: *const c_char, NameLen: size_t) -> c_uint;