[PATCH][Cilkplus] Replace poisoned implicit_built_in_decls array

[Iyer, Balaji V]

Hello Everyone,
        This patch is for the Cilkplus GCC branch. This patch will replace the 
poisoned implicit_built_in_decls array with the appropriate function calls.

Thanks,

Balaji V. Iyer.

diff --git a/gcc/ChangeLog.cilk b/gcc/ChangeLog.cilk
index c4bfa12..285f059 100644
--- a/gcc/ChangeLog.cilk
+++ b/gcc/ChangeLog.cilk
@@ -1,3 +1,10 @@
+2011-10-22  Balaji V. Iyer  <balaji.v.i...@intel.com>
+
+       * cilk.c (install_builtin): Changed implicit_built_in_decls[] to
+       set_builtin_decl ().
+       (cilk_call_setjmp): Replaced implicit_built_in_decls[] to
+       builtin_decl_implicit ().
+
 2011-09-20  Balaji V. Iyer  <balaji.v.i...@intel.com>
 
        * ipa-inline.c(can_inline_edge_p): Added a check for function
diff --git a/gcc/cilk.c b/gcc/cilk.c
index b630efb..369bae0 100644
--- a/gcc/cilk.c
+++ b/gcc/cilk.c
@@ -77,7 +77,7 @@ install_builtin (const char *name, tree fntype, enum 
built_in_function code,
   DECL_FUNCTION_CODE (fndecl) = code;
   if (publish)
     fndecl = lang_hooks.decls.pushdecl (fndecl);
-  implicit_built_in_decls[code] = fndecl;
+  set_builtin_decl (code, fndecl, true);
   return fndecl;
 }
 
@@ -331,7 +331,7 @@ cilk_call_setjmp (tree frame)
 
   c = dot(frame, CILK_TI_FRAME_CONTEXT, false);
   c = build1 (ADDR_EXPR, build_pointer_type (ptr_type_node), c);
-  return build_call_expr (implicit_built_in_decls[BUILT_IN_SETJMP], 1, c);
+  return build_call_expr (builtin_decl_implicit (BUILT_IN_SETJMP), 1, c);
 }
 
 static rtx