1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr37337.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr37337.C
new file mode 100644
index 000000000..5b8521df8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr37337.C
@@ -0,0 +1,37 @@
+// PR middle-end/37337
+// { dg-do compile }
+// { dg-options "-O2" }
+
+extern "C"
+{
+  typedef struct _IO_FILE FILE;
+  extern int __fprintf_chk (FILE *, int, const char *, ...);
+  extern inline __attribute__ ((always_inline, gnu_inline, artificial))
+  int fprintf (FILE *s, const char *f, ...)
+  {
+    return __fprintf_chk (s, 1, f, __builtin_va_arg_pack ());
+  }
+}
+
+extern int a;
+struct A
+{
+  virtual ~A (void)
+  {
+  }
+};
+
+struct B : public A
+{
+  B ();
+  FILE *b;
+};
+
+void f (int *);
+B::B ()
+{
+  f (&a);
+  for (int i = 0; i < 6; i++)
+    fprintf (b, "%02x", 0xff);
+  fprintf (b, "\n--\n");
+}