diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 024b0e72f081b68b2258fceaf7ce78cb5a30bc09..2f6fbe2fa48444d7a9684cb00091d9bf6ac700f1 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2006-06-29  Mike Stump  <mrs@apple.com>
 
+	* gcc.dg/compat/struct-layout-1_generate.c: Don't use common
+	on darwin as we can't align commons large enough yet.
+
 	* gcc.dg/vla-8.c: Add additional testcases.
 
 2006-06-26  Steve Ellcey  <sje@cup.hp.com>
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 59b777f1e038afc99a81e8926ec2bda26e866bf2..09cb0a5cd7c56a63b23817955aaeb7b0652c5f23 100644
--- a/gcc/testsuite/gcc.dg/compat/struct-layout-1_generate.c
+++ b/gcc/testsuite/gcc.dg/compat/struct-layout-1_generate.c
@@ -757,7 +757,7 @@ switchfiles (int fields)
     }
   fprintf (outfile, "\
 /* { dg-options \"-I%s\" } */\n\
-/* { dg-options \"-I%s -fno-common\" { target hppa*-*-hpux* } } */\n\
+/* { dg-options \"-I%s -fno-common\" { target hppa*-*-hpux* *-*-darwin* } } */\n\
 /* { dg-options \"-I%s -mno-base-addresses\" { target mmix-*-* } } */\n\
 #include \"struct-layout-1.h\"\n\
 \n\
@@ -784,7 +784,7 @@ int main (void)\n\
     goto fail;
   fprintf (outfile, "\
 /* { dg-options \"-w -I%s\" } */\n\
-/* { dg-options \"-w -I%s -fno-common\" { target hppa*-*-hpux* } } */\n\
+/* { dg-options \"-w -I%s -fno-common\" { target hppa*-*-hpux* *-*-darwin* } } */\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\
@@ -797,7 +797,7 @@ int main (void)\n\
     goto fail;
   fprintf (outfile, "\
 /* { dg-options \"-w -I%s\" } */\n\
-/* { dg-options \"-w -I%s -fno-common\" { target hppa*-*-hpux* } } */\n\
+/* { dg-options \"-w -I%s -fno-common\" { target hppa*-*-hpux* *-*-darwin* } } */\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\