Evaluate side-effects in expand_ifn_va_arg_1

2015-04-27  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65818
	* tree-stdarg.c (expand_ifn_va_arg_1): Ensure that side-effects are
	evaluated.
---
 gcc/tree-stdarg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/tree-stdarg.c b/gcc/tree-stdarg.c
index 16a9e2c..1356374 100644
--- a/gcc/tree-stdarg.c
+++ b/gcc/tree-stdarg.c
@@ -1078,6 +1078,8 @@ expand_ifn_va_arg_1 (function *fun)
 	       types.  */
 	    gimplify_assign (lhs, expr, &pre);
 	  }
+	else
+	  gimplify_expr (&expr, &pre, &post, is_gimple_lvalue, fb_lvalue);
 
 	pop_gimplify_context (NULL);
 
-- 
1.9.1