asan.exp adds -fsanitize=address which is incompatible with -fsanitize=kernel-address,
so we need to disable it first.
2020-05-12  Jakub Jelinek  <jakub@redhat.com>
	PR sanitizer/95051
	* gcc.dg/asan/pr95051.c: Add -fno-sanitize=all to dg-options.
+2020-05-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR sanitizer/95051
+       * gcc.dg/asan/pr95051.c: Add -fno-sanitize=all to dg-options.
+
 2020-05-12  Uroš Bizjak  <ubizjak@gmail.com>
 
        PR target/95046
 
 /* PR sanitizer/95051 */
 /* { dg-do compile } */
-/* { dg-options "-fsanitize=kernel-address --param=asan-stack=1 -O2" } */
+/* { dg-options "-fno-sanitize=all -fsanitize=kernel-address --param=asan-stack=1 -O2" } */
 
 struct a {
   struct {