diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5196036f64ad..86d3b719ab82 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
 2020-03-25  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/94296
+	* gcc.dg/cleanup-13.c: Add a comment that the test is not
+	-fcompare-debug compatible with certain other options.
+
 	PR target/94308
 	* gcc.target/i386/pr94308.c: New test.
 
diff --git a/gcc/testsuite/gcc.dg/cleanup-13.c b/gcc/testsuite/gcc.dg/cleanup-13.c
index 1b7ea5c4b284..86cfae09e77c 100644
--- a/gcc/testsuite/gcc.dg/cleanup-13.c
+++ b/gcc/testsuite/gcc.dg/cleanup-13.c
@@ -1,3 +1,7 @@
+/* This test is expected to FAIL to compile with
+   -fcompare-debug -fno-asynchronous-unwind-tables -fno-exceptions
+   because in that case, the __GCC_HAVE_DWARF2_CFI_ASM macro is only
+   defined during -g compilation and not defined with -g0.  */
 /* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */
 /* { dg-do run } */
 /* { dg-options "-fexceptions" } */