Fix inverted panic check

diff --git a/src/librustc_codegen_llvm/debuginfo/type_names.rs b/src/librustc_codegen_llvm/debuginfo/type_names.rs
index 024840a3fa8ad943bbc9f878e5b7e50de5c2f1e0..5854610256110e128177fea42e491902be63c571 100644 (file)
--- a/src/librustc_codegen_llvm/debuginfo/type_names.rs
+++ b/src/librustc_codegen_llvm/debuginfo/type_names.rs
@@ -44,7 +44,7 @@ pub fn push_debuginfo_type_name<'a, 'tcx>(cx: &CodegenCx<'a, 'tcx>,
     // Since we need to generate *something*, we just
     // use a dummy string that should make it clear
     // that something unusual is going on
-    if visited.insert(t) {
+    if !visited.insert(t) {
         output.push_str("<recursive_type>");
         return;
     }