diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4cd2f15d4f1..c6b860c6ce9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-20  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* gcc.target/arm/pr69180.c: Use -: for no column in expected
+	warnings.
+
 2017-11-20  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/78821
diff --git a/gcc/testsuite/gcc.target/arm/pr69180.c b/gcc/testsuite/gcc.target/arm/pr69180.c
index a43d0fe67a6..1e978ef3580 100644
--- a/gcc/testsuite/gcc.target/arm/pr69180.c
+++ b/gcc/testsuite/gcc.target/arm/pr69180.c
@@ -8,10 +8,10 @@
 #pragma GCC target ("fpu=neon-fp-armv8")
 
 #define __ARM_NEON_FP 0
-/* { dg-warning ".__ARM_NEON_FP. redefined" "" { target *-*-* } .-1 }  */
+/* { dg-warning "-:.__ARM_NEON_FP. redefined" "" { target *-*-* } .-1 }  */
 
 #define __ARM_FP 0
-/* { dg-warning ".__ARM_FP. redefined" "" { target *-*-* } .-1 } */
+/* { dg-warning "-:.__ARM_FP. redefined" "" { target *-*-* } .-1 } */
 
 #define __ARM_FEATURE_LDREX 0
-/* { dg-warning ".__ARM_FEATURE_LDREX. redefined" "" { target *-*-* } .-1 } */
+/* { dg-warning "-:.__ARM_FEATURE_LDREX. redefined" "" { target *-*-* } .-1 } */