[PATCH, CHKP, PR target/65508] Set static chain for instrumented calls

[Ilya Enkovich]

Hi,

This patch fixes PR target/65508 by proper copy of static chain for 
instrumented calls.  Bootstrapped and tested on x86_64-unknown-linux-gnu.  OK 
for trunk or wait for stage 1?

Thanks,
Ilya
--
gcc/

2015-03-25  Ilya Enkovich  <ilya.enkov...@intel.com>

        PR target/65508
        * tree-chkp.c (chkp_add_bounds_to_call_stmt): Set static
        chain for generated call.

gcc/testsuite/

2015-03-25  Ilya Enkovich  <ilya.enkov...@intel.com>

        PR target/65508
        * gcc.target/i386/mpx/pr65508.c: New.


diff --git a/gcc/testsuite/gcc.target/i386/mpx/pr65508.c 
b/gcc/testsuite/gcc.target/i386/mpx/pr65508.c
new file mode 100644
index 0000000..9060287
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/mpx/pr65508.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcheck-pointer-bounds -mmpx" } */
+
+void
+bar (int N)
+{
+  int a[N];
+  void foo (int a[N])
+  {
+  }
+  foo (a);
+}
diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c
index d2df4ba..de127ae 100644
--- a/gcc/tree-chkp.c
+++ b/gcc/tree-chkp.c
@@ -1838,6 +1838,7 @@ chkp_add_bounds_to_call_stmt (gimple_stmt_iterator *gsi)
       new_call = gimple_build_call_vec (gimple_op (call, 1), new_args);
       gimple_call_set_lhs (new_call, gimple_call_lhs (call));
       gimple_call_copy_flags (new_call, call);
+      gimple_call_set_chain (new_call, gimple_call_chain (call));
     }
   new_args.release ();