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*** empty log message ***
authorRichard Stallman <rms@gnu.org>
Fri, 17 Apr 1992 10:53:43 +0000 (10:53 +0000)
committerRichard Stallman <rms@gnu.org>
Fri, 17 Apr 1992 10:53:43 +0000 (10:53 +0000)
From-SVN: r759

gcc/stmt.c patch | blob | history

diff --git a/gcc/stmt.c b/gcc/stmt.c
index 1c531648584944087c6b90a61cdf81d86abd5e3b..de199028c3a6185ba882580295192cbc760c2905 100644 (file)
--- 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: