Function foobar

tests/TestClosures.cpp:101–103

res3b = fp3(2, 4);\r\n\
res3c = proxy(2, 5, cls.test);\r\n\
res3d = proxy(2, 6, fp3);\r\n\
\r\n\
int foobar(int ref(int[3]) f) { int[3] x; x = {5, 6, 7}; return f(x); }\r\n\
int result;\r\n\
{\r\n\
  int local1 = 5, local2 = 2;\r\n\