expr.c (expand_expr, [...]): Do not replace an array element with the known initializing value if...

	* expr.c (expand_expr, case ARRAY_REF): Do not replace
	an array element with the known initializing value if it has
	side-effects.

	* toplev.c (rest_of_compilation): Remove dead code before
	purge_addressof.

From-SVN: r43120

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 732b110..a7b0ff4 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -6891,7 +6891,7 @@ expand_expr (exp, target, tmode, modifier)
 			 elem = TREE_CHAIN (elem))
 		      ;
 
-		    if (elem)
+		    if (elem && !TREE_SIDE_EFFECTS (elem))
 		      return expand_expr (fold (TREE_VALUE (elem)), target,
 					  tmode, ro_modifier);
 		  }