Index: libcfa/src/concurrency/coroutine.hfa
===================================================================
--- libcfa/src/concurrency/coroutine.hfa	(revision 604d77bb37550e742cd5552fdf387993a579cf20)
+++ libcfa/src/concurrency/coroutine.hfa	(revision bee653c38b2689440676977bdd8a3166b43e87f4)
@@ -46,5 +46,5 @@
 //-----------------------------------------------------------------------------
 // Public coroutine API
-static inline void suspend();
+static inline void suspend(void);
 
 forall(dtype T | is_coroutine(T))
@@ -71,5 +71,5 @@
 
 // Suspend implementation inlined for performance
-static inline void suspend() {
+static inline void suspend(void) {
 	// optimization : read TLS once and reuse it
 	// Safety note: this is preemption safe since if