diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 88158257f6b..754b986a644 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-03  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* gcc.dg/wint_t-1.c: Mark excess errors for mmix-knuth-mmixware.
+	* gcc.dg/wchar_t-1.c: Ditto.
+
 2002-04-02  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 
 	* gcc.c-torture/execute/20020402-1.c: New test.
diff --git a/gcc/testsuite/gcc.dg/wchar_t-1.c b/gcc/testsuite/gcc.dg/wchar_t-1.c
index 6d95c69c304..5f4934a7820 100644
--- a/gcc/testsuite/gcc.dg/wchar_t-1.c
+++ b/gcc/testsuite/gcc.dg/wchar_t-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-Wall" } */
+/* { dg-excess-errors "Newlib has no wchar.h" { target mmix-knuth-mmixware } }
 
 /* Compile with -Wall to get a warning if built-in and system wchar_t don't
    match.  */
diff --git a/gcc/testsuite/gcc.dg/wint_t-1.c b/gcc/testsuite/gcc.dg/wint_t-1.c
index 3f88dcbeab0..7898baa06b6 100644
--- a/gcc/testsuite/gcc.dg/wint_t-1.c
+++ b/gcc/testsuite/gcc.dg/wint_t-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-Wall" } */
+/* { dg-excess-errors "Newlib has no wchar.h" { target mmix-knuth-mmixware } }
 
 /* Compile with -Wall to get a warning if built-in and system wint_t don't
    match.  */