2014-09-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR debug/63285
	* haifa-sched.c (schedule_block): Advance cycle at the end of BB
	if advance != 0.

	* gcc.target/i386/pr63285.c: New test.

--- gcc/haifa-sched.c	(revision 215363)
+++ gcc/haifa-sched.c	(revision 215364)
@@ -6473,7 +6473,7 @@ schedule_block (basic_block *target_bb,
   if (ls.modulo_epilogue)
     success = true;
  end_schedule:
-  if (!ls.first_cycle_insn_p)
+  if (!ls.first_cycle_insn_p || advance)
     advance_one_cycle ();
   perform_replacements_new_cycle ();
   if (modulo_ii > 0)
--- gcc/testsuite/gcc.target/i386/pr63285.c	(revision 0)
+++ gcc/testsuite/gcc.target/i386/pr63285.c	(revision 215364)
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug" } */
+
+struct S { int a; };
+struct T { int b, c; } a;
+long b;
+int c, d;
+void bar (int, int);
+void baz (void *, int);
+
+void
+foo (struct S *x, int y, int z, void *f, int *p, struct T *e)
+{
+  while (x)
+    {
+      baz (f, &d > p);
+      if (z & 1)
+        bar (f > (void *) &f, z);
+    }
+  if (c)
+    {
+      asm ("" : "+m" (a) : "i" (0));
+      y--;
+    }
+  if (e->b == e->c)
+    c = y;
+  y--;
+}