re PR tree-optimization/66413 (ICE at -Os and above with -g enabled on x86_64-linux-gnu)

2015-06-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/66413
	* tree-inline.c (insert_init_debug_bind): Unshare value.

	* gcc.dg/torture/pr66413.c: New testcase.

From-SVN: r224267

gcc/ChangeLog

 2015-06-09  Richard Biener  <rguenther@suse.de>
 
+	PR middle-end/66413
+	* tree-inline.c (insert_init_debug_bind): Unshare value.
+
+2015-06-09  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/66396
 	* graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
 	Rename virtual operands.

gcc/testsuite/ChangeLog

+2015-06-09  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/66413
+	* gcc.dg/torture/pr66413.c: New testcase.
+
 2015-06-09  Alexandre Oliva <aoliva@redhat.com>
 
 	* gcc.dg/guality/pr54200.c: Add -fno-tree-coalesce-vars.

gcc/testsuite/gcc.dg/torture/pr66413.c

+/* { dg-do compile } */
+/* { dg-additional-options "-g" } */
+
+int a, b, c, d, i, j, q, *e, *h, *k, *r, **p = &e;
+const int *f, **n = &f;
+static int g;
+
+void
+fn1 (int p1)
+{
+  c = p1;
+}
+
+static int *
+fn2 (int *p1, const int *p2)
+{
+  if (g)
+    n = &p2;
+  *n = p2;
+  int o[245];
+  fn1 (o != p2);
+  return p1;
+}
+
+static int *
+fn3 ()
+{
+  int s[54], *t = &s[0], u = 0, v = 1;
+  h = &v;
+  q = 1;
+  for (; q; q++)
+    {
+      int *w[] = { &u };
+      for (; v;)
+	return *p;
+    }
+  *r = *t + b >= 0;
+  return *p;
+}
+
+static int
+fn4 (int *p1)
+{
+  int *l[2], **m[7];
+  for (; i < 1; i++)
+    for (; j < 1; j++)
+      m[i * 70] = &l[0];
+  k = fn3 ();
+  fn2 (0, p1);
+  if ((m[0] == 0) & a)
+    for (;;)
+      ;
+  return 0;
+}
+
+int
+main ()
+{
+  fn4 (&d);
+  return 0;
+}

gcc/tree-inline.c

@@ -3021,7 +3021,7 @@ insert_init_debug_bind (copy_body_data *id,
 	base_stmt = gsi_stmt (gsi);
     }
 
-  note = gimple_build_debug_bind (tracked_var, value, base_stmt);
+  note = gimple_build_debug_bind (tracked_var, unshare_expr (value), base_stmt);
 
   if (bb)
     {