Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

3 files changed, 106 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/asan/asan.exp b/gcc-4.9/gcc/testsuite/gcc.dg/asan/asan.exp
new file mode 100644
index 000000000..9be07fca1
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/asan/asan.exp
@@ -0,0 +1,40 @@
+# Copyright (C) 2012-2014 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# GCC testsuite that uses the `dg.exp' driver.
+
+# Load support procs.
+load_lib gcc-dg.exp
+load_lib asan-dg.exp
+
+if ![check_effective_target_faddress_sanitizer] {
+  return
+}
+
+# Initialize `dg'.
+dg-init
+if [asan_init] {
+
+# Main loop.
+gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.c $srcdir/c-c++-common/asan/*.c]] ""
+
+}
+
+# All done.
+asan_finish
+dg-finish
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/asan/nosanitize-and-inline.c b/gcc-4.9/gcc/testsuite/gcc.dg/asan/nosanitize-and-inline.c
new file mode 100644
index 000000000..585380162
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/asan/nosanitize-and-inline.c
@@ -0,0 +1,57 @@
+/* { dg-do run } */
+
+/* This is a simplified version of what Emacs does internally,
+   when marking its stack.  */
+
+static unsigned long sum;
+static void *stack_base;
+
+/* A simple substitute for what Emacs actually does.  */
+static void
+mark_maybe_pointer (void *p)
+{
+  sum ^= (unsigned long) p;
+}
+
+static inline void __attribute__ ((no_sanitize_address))
+mark_memory (void **start, void **end)
+{
+  void **pp;
+
+  if (end < start)
+    {
+      void **tem = start;
+      start = end;
+      end = tem;
+    }
+
+  for (pp = start; pp < end; pp++)
+    {
+      /* This is the dereference that we don't want sanitized.  */
+      void *p = *pp;
+
+      mark_maybe_pointer (p);
+    }
+}
+
+static void
+mark_stack (void)
+{
+  void *end;
+  mark_memory (stack_base, &end);
+}
+
+void
+garbage_collect (void)
+{
+  mark_stack ();
+}
+
+int
+main (void)
+{
+  void *dummy;
+  stack_base = &dummy;
+  garbage_collect ();
+  return 0;
+}
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/asan/pr56417.c b/gcc-4.9/gcc/testsuite/gcc.dg/asan/pr56417.c
new file mode 100644
index 000000000..b7eabf125
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/asan/pr56417.c
@@ -0,0 +1,9 @@
+/* PR sanitizer/56417 */
+/* { dg-do compile } */
+/* { dg-options "-w" } */
+
+int
+foo (void)
+{
+  return __builtin_strlen (&foo);
+}