diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 64835ffc351..5441fb16deb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/91913
+	* gfortran.dg/pr91913.f90: New test.
+
 2020-02-10  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR libgcc/85334
diff --git a/gcc/testsuite/gfortran.dg/pr91913.f90 b/gcc/testsuite/gfortran.dg/pr91913.f90
new file mode 100644
index 00000000000..7d5477ac0c3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr91913.f90
@@ -0,0 +1,5 @@
+! PR target/91913
+! { dg-do compile }
+! { dg-options "-std=legacy -Ofast --param max-cse-insns=0 -fno-schedule-insns -fsanitize=null" }
+
+include 'string_ctor_1.f90'