Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 47 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/debug/debug-5.c b/gcc-4.9/gcc/testsuite/gcc.dg/debug/debug-5.c
new file mode 100644
index 000000000..f66b861c8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/debug/debug-5.c
@@ -0,0 +1,47 @@
+/* This testcase failed, because scope containing baz was deleted
+   (spanned 0 basic blocks) and DWARF-2 couldn't find baz origin.  */
+/* { dg-do compile } */
+/* { dg-require-effective-target trampolines } */
+
+extern void abort (void);
+
+struct A { char *a, *b, *c, *d; };
+
+static int
+bar (struct A *x)
+{
+  return x->c - x->b;
+}
+
+static int
+bar2 (struct A *x)
+{
+  int a = x->c - x->b;
+  x->c += 26;
+  return a;
+}
+
+void fnptr (void (*fn) (void));
+
+void
+foo (void)
+{
+  struct A e;
+
+  if (bar2 (&e) < 0)
+    abort ();
+  {
+    void baz (void)
+      {
+	bar (&e);
+      }
+    fnptr (baz);
+  }
+  {
+    struct A *f;
+
+    f = &e;
+    if (f->c - f->a > f->d - f->a)
+      f->c = f->d;
+  }
+}