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From-SVN: r759
1992-04-17 10:53:43 +00:00 · 1992-04-17 10:53:43 +00:00 · 4d23e50997
commit 4d23e50997
parent 0e8949ba7b
1 changed files with 3 additions and 0 deletions
--- 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: