diff --git a/gcc/testsuite/gcc.target/i386/pr79804.c b/gcc/testsuite/gcc.target/i386/pr79804.c
index 4325131..c7dda69 100644
--- a/gcc/testsuite/gcc.target/i386/pr79804.c
+++ b/gcc/testsuite/gcc.target/i386/pr79804.c
@@ -7,4 +7,4 @@ void foo (void)
   register int r20 asm ("20");
 
   asm volatile ("# %0" : "=r"(r20));  /* { dg-error "invalid use of register" } */
-}
+}  /* { dg-error "cannot be used in asm here" } */