From: Richard Stallman <rms@gnu.org>
Date: Fri, 17 Apr 1992 10:53:43 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4d23e5099715fc312235850f6caa13c0d89515a7;p=gcc.git

*** empty log message ***

From-SVN: r759
---

diff --git a/gcc/stmt.c b/gcc/stmt.c
index 1c531648584..de199028c3a 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1265,6 +1265,9 @@ warn_if_unused_value (exp)
     case COMPOUND_EXPR:
       if (warn_if_unused_value (TREE_OPERAND (exp, 0)))
 	return 1;
+      /* Let people do `(foo (), 0)' without a warning.  */
+      if (TREE_CONSTANT (TREE_OPERAND (exp, 1)))
+	return 0;
       return warn_if_unused_value (TREE_OPERAND (exp, 1));
 
     case NOP_EXPR: