Index: gcc/testsuite/gcc.target/arm/pr57909.c
===================================================================
--- gcc/testsuite/gcc.target/arm/pr57909.c	(revision 0)
+++ gcc/testsuite/gcc.target/arm/pr57909.c	(revision 0)
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-marm -march=armv7-a -mtune=cortex-a15 -mno-unaligned-access" } */
+
+int sprintf(char *str, const char *format, ...);
+
+void bug(void)
+{
+ static char buf[1024];
+
+  char *s;
+
+  s = buf + sprintf(buf, "aa");
+}