[patch] gcc-unsharing_lhs.patch

gcc-unsharing_lhs.patch (text/plain), 751 bytes, created by SpanKY on 2003-09-23 16:35:44 UTC

--- gcc/cp/typeck.c	2003-09-19 15:53:40 +0200
+++ gcc/cp/typeck.c	2003-09-19 15:53:58 +0200
@@ -5526,9 +5526,18 @@
 	{
 	  tree result_type = TREE_TYPE (newrhs);
+        tree lhs2;
+
+        /* Ensure that the calls are not shared with the lhs kept
+           at condition.  */
+        if (TREE_SIDE_EFFECTS (lhs))
+          lhs2 = break_out_calls (lhs);
+        else
+          lhs2 = lhs;
+
 	  /* We have to convert each arm to the proper type because the
 	     types may have been munged by constant folding.  */
 	  result
 	    = build (COND_EXPR, result_type, cond,
-		     build_modify_expr (lhs, modifycode,
+                   build_modify_expr (lhs2, modifycode,
 					cp_convert (result_type,
 						    TREE_OPERAND (newrhs, 1))),