diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3c3c8ce6172..5a6f2408f02 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-11-28  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.dg/compat/struct-layout-1_generate.c: Add -w option
+	on mmix-*-* for *_[xy].c.
+
 2005-11-28  Kean Johnston  <jkj@sco.com>
 
 	* g++.dg/opt/range-test-1.C: Prevent re-inclusion of system
diff --git a/gcc/testsuite/gcc.dg/compat/struct-layout-1_generate.c b/gcc/testsuite/gcc.dg/compat/struct-layout-1_generate.c
index 1fb8f6bec0e..2f69575cb72 100644
--- a/gcc/testsuite/gcc.dg/compat/struct-layout-1_generate.c
+++ b/gcc/testsuite/gcc.dg/compat/struct-layout-1_generate.c
@@ -723,7 +723,7 @@ int main (void)\n\
   fprintf (outfile, "\
 /* { dg-options \"-w -I%s\" } */\n\
 /* { dg-options \"-w -I%s -fno-common\" { target hppa*-*-hpux* } } */\n\
-/* { dg-options \"-I%s -mno-base-addresses\" { target mmix-*-* } } */\n\
+/* { dg-options \"-w -I%s -mno-base-addresses\" { target mmix-*-* } } */\n\
 #include \"struct-layout-1_x1.h\"\n\
 #include \"t%03d_test.h\"\n\
 #include \"struct-layout-1_x2.h\"\n\
@@ -736,7 +736,7 @@ int main (void)\n\
   fprintf (outfile, "\
 /* { dg-options \"-w -I%s\" } */\n\
 /* { dg-options \"-w -I%s -fno-common\" { target hppa*-*-hpux* } } */\n\
-/* { dg-options \"-I%s -mno-base-addresses\" { target mmix-*-* } } */\n\
+/* { dg-options \"-w -I%s -mno-base-addresses\" { target mmix-*-* } } */\n\
 #include \"struct-layout-1_y1.h\"\n\
 #include \"t%03d_test.h\"\n\
 #include \"struct-layout-1_y2.h\"\n\