re PR middle-end/64111 (ICE: conversion of register to a different size)

2014-12-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/64111
	* tree.c (int_cst_hasher::hash): Use TYPE_UID instead of
	htab_hash_pointer to not break PCH.

From-SVN: r218212

gcc/ChangeLog

 2014-12-01  Richard Biener  <rguenther@suse.de>
 
+	PR middle-end/64111
+	* tree.c (int_cst_hasher::hash): Use TYPE_UID instead of
+	htab_hash_pointer to not break PCH.
+
+2014-12-01  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/15346
 	* Makefile.in (gimple-match.o-warn): Remove -Wno-unused-parameter,
 	add -Wno-unused-but-set-variable.

gcc/tree.c

@@ -1303,7 +1303,7 @@ hashval_t
 int_cst_hasher::hash (tree x)
 {
   const_tree const t = x;
-  hashval_t code = htab_hash_pointer (TREE_TYPE (t));
+  hashval_t code = TYPE_UID (TREE_TYPE (t));
   int i;
 
   for (i = 0; i < TREE_INT_CST_NUNITS (t); i++)