patch 8.0.0598: building with gcc 7.1 yields new warnings commit https://github.com/vim/vim/commit/9e0f6ec0762575d229b86798b284ca4876bc3d73 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 16 09:36:54 2017 +0200 patch 8.0.0598: building with gcc 7.1 yields new warnings Problem: Building with gcc 7.1 yields new warnings. Solution: Initialize result. (John Marriott)

--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -10890,6 +10890,9 @@ eval_vars(
 		result = strbuf;
 		break;
 #endif
+	default:
+		result = (char_u *)""; /* avoid gcc warning */
+		break;
 	}
 
 	resultlen = (int)STRLEN(result);	/* length of new string */