From: ctice <ctice@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 23 Oct 2015 23:22:42 +0000 (+0000)
Subject: This patch fixes a compile-time regression that was originally
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=45e9a90e4c82dd6fd751203aecf598966853b43c;p=thirdparty%2Fgcc.git

This patch fixes a compile-time regression that was originally
introduced by the fix for PR64111, in GCC 4.9.3.
gcc/ChangeLog:

2015-10-23  Caroline Tice  <cmtice@google.com>

        (from Richard Biener)
        * tree.c (int_cst_hasher::hash):  Replace XOR with more efficient
        call to iterative_hash_host_wide_int.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229277 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4b37e02db017..97748bdf551c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-10-23  Caroline Tice  <cmtice@google.com>
+
+	(from Richard Biener
+	* tree.c (int_cst_hasher::hash):  Replace XOR with more efficient
+	call to iterative_hash_host_wide_int.
+
 2015-10-23  David Edelsohn  <dje.gcc@gmail.com>
 
 	* config.gcc (powerpc-ibm-aix[6789]) [default_use_cxa_atexit]:
diff --git a/gcc/tree.c b/gcc/tree.c
index 79bbd0752c81..e77d4b88ab59 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1364,7 +1364,7 @@ int_cst_hasher::hash (tree x)
   int i;
 
   for (i = 0; i < TREE_INT_CST_NUNITS (t); i++)
-    code ^= TREE_INT_CST_ELT (t, i);
+    code = iterative_hash_host_wide_int (TREE_INT_CST_ELT(t, i), code);
 
   return code;
 }