--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr45570.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,28 @@
+/* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O3 -fselective-scheduling2 -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops -ftracer" } */
+void
+parser_get_next_char (char c, int qm, char *p)
+{
+  int quote_mode = 0;
+  for (; *p; p++)
+    {
+      if (qm)
+	{
+	  if (quote_mode == 0 && *p == '"' && *(p - 1))
+	    {
+	      quote_mode = 1;
+	      continue;
+	    }
+	  if (quote_mode && *p == '"' && *(p - 1))
+	    quote_mode = 0;
+	}
+      if (quote_mode == 0 && *p == c && *(p - 1))
+	break;
+    }
+}
+
+void
+parser_get_next_parameter (char *p)
+{
+  parser_get_next_char (':', 1, p);
+}