From: Jason Merrill <merrill@gnu.org>
Date: Thu, 16 Jun 1994 00:47:03 +0000 (+0000)
Subject: (warn_if_unused_value): Handle TREE_NO_UNUSED_WARNING for
X-Git-Tag: misc/cutover-egcs-0~6443
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a646a21183d4be03dc046bbe6761af1a379e02d1;p=thirdparty%2Fgcc.git

(warn_if_unused_value): Handle TREE_NO_UNUSED_WARNING for
        COMPOUND_EXPRs, too.

From-SVN: r7500
---

diff --git a/gcc/stmt.c b/gcc/stmt.c
index acaa436cacff..d74418c251d6 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1697,6 +1697,8 @@ warn_if_unused_value (exp)
       return warn_if_unused_value (TREE_OPERAND (exp, 1));
 
     case COMPOUND_EXPR:
+      if (TREE_NO_UNUSED_WARNING (exp))
+	return 0;
       if (warn_if_unused_value (TREE_OPERAND (exp, 0)))
 	return 1;
       /* Let people do `(foo (), 0)' without a warning.  */