Add test for composed invocation of function-like macros.

This is a case like "foo(bar(x))" where both foo and bar are defined
function-like macros. This is not yet parsed correctly so this test
fails.

diff --git a/tests/021-define-func-compose.c b/tests/021-define-func-compose.c
new file mode 100644 (file)
index 0000000..21ddd0e
--- /dev/null
+++ b/tests/021-define-func-compose.c
@@ -0,0 +1,3 @@
+#define bar(x) (1+(x))
+#define foo(y) (2*(y))
+foo(bar(3))