Issue #12612: Add some Valgrind suppressions for 64-bit machines. Patch by Paul

Price.

Misc/ACKS

@@ -777,6 +777,7 @@ John Popplewell
 Amrit Prem
 Paul Prescod
 Donovan Preston
+Paul Price
 Jyrki Pulliainen
 Steve Purcell
 Eduardo Pérez

Misc/valgrind-python.supp

@@ -137,6 +137,18 @@
 ###}
 ###
 ###{
+###   ADDRESS_IN_RANGE/Use of uninitialised value of size 8
+###   Memcheck:Addr8
+###   fun:PyObject_Free
+###}
+###
+###{
+###   ADDRESS_IN_RANGE/Use of uninitialised value of size 8
+###   Memcheck:Value8
+###   fun:PyObject_Free
+###}
+###
+###{
 ###   ADDRESS_IN_RANGE/Conditional jump or move depends on uninitialised value
 ###   Memcheck:Cond
 ###   fun:PyObject_Free
@@ -155,6 +167,18 @@
 ###}
 ###
 ###{
+###   ADDRESS_IN_RANGE/Use of uninitialised value of size 8
+###   Memcheck:Addr8
+###   fun:PyObject_Realloc
+###}
+###
+###{
+###   ADDRESS_IN_RANGE/Use of uninitialised value of size 8
+###   Memcheck:Value8
+###   fun:PyObject_Realloc
+###}
+###
+###{
 ###   ADDRESS_IN_RANGE/Conditional jump or move depends on uninitialised value
 ###   Memcheck:Cond
 ###   fun:PyObject_Realloc