From: Mark Mitchell <mark@codesourcery.com>
Date: Fri, 17 Aug 2001 04:32:09 +0000 (+0000)
Subject: cvt.c (convert_to_void): Preserve TREE_SIDE_EFFECTS on COMPOUND_EXPRs.
X-Git-Tag: prereleases/libstdc++-3.0.95~2612
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a52d09b746d955ce42815329962db3bb19b4d18;p=thirdparty%2Fgcc.git

cvt.c (convert_to_void): Preserve TREE_SIDE_EFFECTS on COMPOUND_EXPRs.

	* cvt.c (convert_to_void): Preserve TREE_SIDE_EFFECTS
	on COMPOUND_EXPRs.

From-SVN: r44956
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index e50446cb0e07..441735e7cc9f 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2001-08-16  Mark Mitchell  <mark@codesourcery.com>
+
+	* cvt.c (convert_to_void): Preserve TREE_SIDE_EFFECTS
+	on COMPOUND_EXPRs.
+
 2001-08-14  Richard Henderson  <rth@redhat.com>
 
 	* class.c, cp-tree.h (build_vfn_ref): Remove.
diff --git a/gcc/cp/cvt.c b/gcc/cp/cvt.c
index 5b153efff179..f8845b29d7fd 100644
--- a/gcc/cp/cvt.c
+++ b/gcc/cp/cvt.c
@@ -950,8 +950,13 @@ convert_to_void (expr, implicit)
         tree new_op1 = convert_to_void (op1, implicit);
         
         if (new_op1 != op1)
-          expr = build (COMPOUND_EXPR, TREE_TYPE (new_op1),
-                        TREE_OPERAND (expr, 0), new_op1);
+	  {
+	    tree t = build (COMPOUND_EXPR, TREE_TYPE (new_op1),
+			    TREE_OPERAND (expr, 0), new_op1);
+	    TREE_SIDE_EFFECTS (t) = TREE_SIDE_EFFECTS (expr);
+	    expr = t;
+	  }
+
         break;
       }