--- a/gcc/testsuite/g++.dg/init/new46.C	Thu Oct 25 07:37:49 2018 +0900
+++ b/gcc/testsuite/g++.dg/init/new46.C	Thu Feb 13 11:34:05 2020 +0900
@@ -37,7 +37,7 @@
 
 template <size_t M, size_t N>
 char* fn2_2 () {
-    return new char [M][N];   // { dg-error "size of array is too large" }
+    return new char [M][N];   // { dg-error "size .\[0-9\]+. of array exceeds maximum object size" }
 }
 
 // Not instantiated (must not be diagnosed).
@@ -50,7 +50,7 @@
 template <class T>
 T* fn3 () {
     const size_t a = sizeof (T);
-    return new T [a];         // { dg-error "size of array is too large" }
+    return new T [a];         // { dg-error "size .\[0-9\]+. of array exceeds maximum object size" }
 }