--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr83198.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,18 @@
+/* PR tree-optimization/83198 */
+/* { dg-do compile } */
+/* { dg-options "-Wall -Wno-format" } */
+
+int
+foo (char *d[6], int x)
+{
+  int r = 0;
+  r += __builtin_sprintf (d[0], "%f", x);
+  r += __builtin_sprintf (d[1], "%a", x);
+  r += __builtin_sprintf (d[2], "%f", "foo");
+  r += __builtin_sprintf (d[3], "%a", "bar");
+#ifdef __SIZEOF_FLOAT128__
+  r += __builtin_sprintf (d[4], "%a", 1.0Q);
+  r += __builtin_sprintf (d[5], "%Lf", 1.0Q);
+#endif
+  return r;
+}