git.ipfire.org Git - thirdparty/openembedded/openembedded-core-contrib.git/blob

   1 From 8216e1c4c23928723f8e1583bf7e014813bb2c07 Mon Sep 17 00:00:00 2001
   2 From: baldrick <baldrick@138bc75d-0d04-0410-961f-82ee72b054a4>
   3 Date: Sat, 9 Apr 2011 16:14:07 +0000
   4 Subject: [PATCH 094/200] Bail out rather than crashing in array_type_nelts if TYPE_MAX_VALUE is null.
   5
   6 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172226 138bc75d-0d04-0410-961f-82ee72b054a4
   7
   8 index 405b549..4d6ca36 100644
   9 --- a/gcc/tree.c
  10 +++ b/gcc/tree.c
  11 @@ -2453,6 +2453,10 @@ array_type_nelts (const_tree type)
  12    min = TYPE_MIN_VALUE (index_type);
  13    max = TYPE_MAX_VALUE (index_type);
  14
  15 +  /* TYPE_MAX_VALUE may not be set if the array has unknown length.  */
  16 +  if (!max)
  17 +    return error_mark_node;
  18 +
  19    return (integer_zerop (min)
  20           ? max
  21           : fold_build2 (MINUS_EXPR, TREE_TYPE (max), max, min));
  22 --
  23 1.7.0.4
  24