Increase size of buf in BumpAllocator so that there is enough memor…

…y for HLD test

content/various/BumpAllocator.h

@@ -10,7 +10,7 @@
 #pragma once
 
 // Either globally or in a single class:
-static char buf[450 << 20];
+static char buf[450 << 21];
 void* operator new(size_t s) {
 	static size_t i = sizeof buf;
 	assert(s < i);