Prune another new LTO warning

gcc/testsuite/
	PR testsuite/100569
	* gnat.dg/lto21.adb: Prune new LTO warning.

diff --git a/gcc/testsuite/gnat.dg/lto21.adb b/gcc/testsuite/gnat.dg/lto21.adb
index fe6fb2734b5c86ea9627a1171c924e39d8d48fd7..f6266978ee0525023161301265b56a46a277163e 100644 (file)
--- a/gcc/testsuite/gnat.dg/lto21.adb
+++ b/gcc/testsuite/gnat.dg/lto21.adb
@@ -1,5 +1,6 @@
 -- { dg-do run }
 -- { dg-options "-O3 -flto" { target lto } }
+-- { dg-prune-output "warning: using serial compilation" }
 
 with Lto21_Pkg1;
 with Lto21_Pkg2; use Lto21_Pkg2;