1 files changed, 8 insertions, 0 deletions
diff --git a/string/bug-strncat1.c b/string/bug-strncat1.c
index f1b5c37c5c..b22beba4d3 100644
--- a/string/bug-strncat1.c
+++ b/string/bug-strncat1.c
@@ -4,13 +4,21 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <libc-diag.h>
 
 char d[3] = "\0\1\2";
 
 int
 main (void)
 {
+  DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (8, 0)
+  /* GCC 8 warns about strncat truncating output; this is deliberately
+     tested here.  */
+  DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-truncation");
+#endif
   strncat (d, "\5\6", 1);
+  DIAG_POP_NEEDS_COMMENT;
   if (d[0] != '\5')
     {
       puts ("d[0] != '\\5'");