1 files changed, 40 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr47917.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr47917.c
new file mode 100644
index 000000000..f89d44987
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr47917.c
@@ -0,0 +1,40 @@
+/* { dg-do run } */
+/* { dg-options "-std=c99" } */
+/* { dg-options "-std=c99 -D_XOPEN_SOURCE=500" { target *-*-solaris2.9 } } */
+/* { dg-options "-std=gnu99" { target *-*-hpux* } } */
+/* { dg-additional-options "-D__USE_MINGW_ANSI_STDIO=1" { target *-*-mingw* } } */
+/* { dg-xfail-run-if "no C99 snprintf function" { *-*-hpux10* } } */
+/* { dg-xfail-run-if "non-conforming C99 snprintf" { *-*-hpux11.[012]* } } */
+
+/* PR middle-end/47917 */
+
+#include <stdio.h>
+extern int memcmp (const void *, const void *, __SIZE_TYPE__);
+extern void abort (void);
+
+char buf1[6], buf2[6], buf3[4], buf4[4];
+int i;
+
+int
+foo (void)
+{
+  int ret = snprintf (buf1, sizeof buf1, "abcde");
+  ret += snprintf (buf2, sizeof buf2, "abcdef") * 16;
+  ret += snprintf (buf3, sizeof buf3, "%s", i++ < 6 ? "abc" : "def") * 256;
+  ret += snprintf (buf4, sizeof buf4, "%s", i++ > 10 ? "abcde" : "defgh") * 4096;
+  return ret;
+}
+
+int
+main (void)
+{
+  if (foo () != 5 + 6 * 16 + 3 * 256 + 5 * 4096)
+    abort ();
+  if (memcmp (buf1, "abcde", 6) != 0
+      || memcmp (buf2, "abcde", 6) != 0
+      || memcmp (buf3, "abc", 4) != 0
+      || memcmp (buf4, "def", 4) != 0
+      || i != 2)
+    abort ();
+  return 0;
+}