[Bug lto/49123] [4.6 Regression] FAIL: gcc.c-torture/execute/pr48973-[12].c

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49123

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-05-23 13:25:03 UTC ---
A less intrusive variant of the patch might be suitable for backporting
(it doesn't touch the NULL type argument path) and fixes the testcase for me.

Index: gcc/tree.c
===================================================================
--- gcc/tree.c  (revision 174066)
+++ gcc/tree.c  (working copy)
@@ -1034,9 +1034,9 @@ build_int_cst (tree type, HOST_WIDE_INT
 {
   /* Support legacy code.  */
   if (!type)
-    type = integer_type_node;
+    return build_int_cst_wide (integer_type_node, low, low < 0 ? -1 : 0);

-  return build_int_cst_wide (type, low, low < 0 ? -1 : 0);
+  return double_int_to_tree (type, shwi_to_double_int (low));
 }

 /* Create an INT_CST node with a LOW value in TYPE.  The value is sign
extended