Files to build: 7
	symbol_export extern1.t -> extern1.t3s
	symbol_export extern2.t -> extern2.t3s
	symbol_export extern3.t -> extern3.t3s
	compile extern1.t -> extern1.t3o
	compile extern2.t -> extern2.t3o
	compile extern3.t -> extern3.t3o
	link -> extern.t3

(T3VM) Memory blocks still in use:

Total blocks in use: 0
entering main
calling f1_a
this is f1_a
- calling f2_b
this is f2_b
calling f2_a
this is f2_a
- calling f1_b
this is f1_b

(T3VM) Memory blocks still in use:

Total blocks in use: 0