Suppress a bunch of "value computed is not used" warnings when building in
debug mode (--with-pydebug).
diff --git a/Python/ceval.c b/Python/ceval.c
index 25ba4a0..49b1faf 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -542,8 +542,8 @@
 #define BASIC_POP()	(*--stack_pointer)
 
 #ifdef LLTRACE
-#define PUSH(v)		(BASIC_PUSH(v), lltrace && prtrace(TOP(), "push"))
-#define POP()		(lltrace && prtrace(TOP(), "pop"), BASIC_POP())
+#define PUSH(v)		(void)(BASIC_PUSH(v), lltrace && prtrace(TOP(), "push"))
+#define POP()		((void)(lltrace && prtrace(TOP(), "pop")), BASIC_POP())
 #else
 #define PUSH(v)		BASIC_PUSH(v)
 #define POP()		BASIC_POP()