--- a/gcc/testsuite/c-c++-common/Wshift-negative-value-1.c	Thu Oct 25 07:37:49 2018 +0900
+++ b/gcc/testsuite/c-c++-common/Wshift-negative-value-1.c	Thu Feb 13 11:34:05 2020 +0900
@@ -6,7 +6,7 @@
 enum E {
   A = 0 << 1,
   B = 1 << 1,
-  C = -1 << 1, /* { dg-warning "left shift of negative value|not an integer constant" } */
+  C = -1 << 1, /* { dg-warning "10:left shift of negative value|not an integer constant" } */
   /* { dg-error "left operand of shift expression" "shift" { target c++ } .-1 } */
   D = 0 >> 1,
   E = 1 >> 1,
@@ -23,10 +23,10 @@
   int r = 0;
   r += z << x;
   r += o << x;
-  r += m << x; /* { dg-warning "left shift of negative value" } */
+  r += m << x; /* { dg-warning "10:left shift of negative value" } */
   r += 0 << x;
   r += 1 << x;
-  r += -1 << x; /* { dg-warning "left shift of negative value" } */
+  r += -1 << x; /* { dg-warning "11:left shift of negative value" } */
   r += -1U << x;
   return r;
 }