SF patch #1467512, fix double free with triple quoted string in standard build.
This was the result of inconsistent use of PyMem_* and PyObject_* allocators.
By changing to use PyObject_* allocator almost everywhere, this removes
the inconsistency.
diff --git a/Parser/node.c b/Parser/node.c
index 7ed6c0e..97f887a 100644
--- a/Parser/node.c
+++ b/Parser/node.c
@@ -62,7 +62,7 @@
* Win98).
*
* In a run of compileall across the 2.3a0 Lib directory, Andrew MacIntyre
- * reported that, with this scheme, 89% of PyMem_RESIZE calls in
+ * reported that, with this scheme, 89% of PyObject_REALLOC calls in
* PyNode_AddChild passed 1 for the size, and 9% passed 4. So this usually
* wastes very little memory, but is very effective at sidestepping
* platform-realloc disasters on vulnernable platforms.