# HG changeset patch
# User Stefan Anzinger <stefan.anzinger@oracle.com>
# Date 1434448535 -7200
# Node ID 107b1a534264e30d2af6300675226e198d7dc9b1
# Parent  964677af4a3c8e291d2f44a26b4e39e202904769
Apply JDK-8073670

diff -r 964677af4a3c -r 107b1a534264 src/share/vm/opto/type.cpp
--- a/src/share/vm/opto/type.cpp	Tue Jun 16 18:19:03 2015 +0200
+++ b/src/share/vm/opto/type.cpp	Tue Jun 16 11:55:35 2015 +0200
@@ -1092,8 +1092,10 @@
 bool TypeD::eq( const Type *t ) const {
   if( g_isnan(_d) ||
       g_isnan(t->getd()) ) {
-    // One or both are NANs.  If both are NANs return true, else false.
-    return (g_isnan(_d) && g_isnan(t->getd()));
+    // it is important, when two different NaNs are used in one method, the NaNs are treated
+    // as different NaNs (as C1 does)
+    jdouble td = t->getd();
+    return *((jlong*)(&_d)) == *(jlong*)(&td);
   }
   if (_d == t->getd()) {
     // (NaN is impossible at this point, since it is not equal even to itself)