Index: libc/arch/mips32/_link.ld.in
===================================================================
--- libc/arch/mips32/_link.ld.in	(revision 18acad554ff6cb14b78fd376e87bd4ce4724c792)
+++ libc/arch/mips32/_link.ld.in	(revision 00c499433e6ec391c42a02cdc69a1af08dbfa03a)
@@ -25,4 +25,6 @@
 		*(.sbss);
 		*(COMMON);
+		_heap = .;
+		LONG(0xdeadbeef);
 	} :data