* doc/invoke.texi (-flto-partition, lto-partitions, lto-minpartition):

[pf3gnuchains/gcc-fork.git] / gcc / opts.c

diff --git a/gcc/opts.c b/gcc/opts.c
index 0560335..03098b5 100644 (file)
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1081,6 +1081,13 @@ decode_options (unsigned int argc, const char **argv,
       error ("LTO support has not been enabled in this configuration");
 #endif
     }
+  if (flag_lto_partition_balanced || flag_lto_partition_1to1)
+    {
+      if (flag_lto_partition_balanced && flag_lto_partition_1to1)
+       error ("Only one -flto-partitoin value can be specified");
+      if (!flag_whopr)
+       error ("-flto-partitoin has effect only with -fwhopr");
+    }
 
   /* Reconcile -flto and -fwhopr.  Set additional flags as appropriate and
      check option consistency.  */