Rollup merge of #27397 - Dangthrimble:master, r=steveklabnik

[rust.git] / src / librustc_typeck / lib.rs

diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs
index 8c3ef4ae631c3ebb53551daa963915f246b0ed3e..9c0e121e156f9ea3259e68516b517587d4035050 100644 (file)
--- a/src/librustc_typeck/lib.rs
+++ b/src/librustc_typeck/lib.rs
@@ -85,7 +85,7 @@
 #![feature(ref_slice)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(rustc_private)]
-#![feature(slice_extras)]
+#![feature(slice_splits)]
 #![feature(staged_api)]
 #![feature(vec_push_all)]
 #![feature(cell_extras)]
@@ -176,6 +176,16 @@ fn lookup_full_def(tcx: &ty::ctxt, sp: Span, id: ast::NodeId) -> def::Def {
     }
 }
 
+fn require_c_abi_if_variadic(tcx: &ty::ctxt,
+                             decl: &ast::FnDecl,
+                             abi: abi::Abi,
+                             span: Span) {
+    if decl.variadic && abi != abi::C {
+        span_err!(tcx.sess, span, E0045,
+                  "variadic function must have C calling convention");
+    }
+}
+
 fn require_same_types<'a, 'tcx, M>(tcx: &ty::ctxt<'tcx>,
                                    maybe_infcx: Option<&infer::InferCtxt<'a, 'tcx>>,
                                    t1_is_expected: bool,