test.osl:21: error: No matching function call to 'funca ()'
  Candidates are:
    test.osl:7	void funca (int, int)
    test.osl:6	void funca (int)
test.osl:22: error: No matching function call to 'funca (int, int, int)'
  Candidates are:
    test.osl:7	void funca (int, int)
    test.osl:6	void funca (int)
test.osl:23: error: No matching function call to 'funca (float, int)'
  Candidates are:
    test.osl:7	void funca (int, int)
    test.osl:6	void funca (int)
test.osl:24: error: No matching function call to 'funca (int, float)'
  Candidates are:
    test.osl:7	void funca (int, int)
    test.osl:6	void funca (int)
test.osl:25: warning: Ambiguous call to 'funcb ()'
  Chosen function is:
    test.osl:10	float funcb ()
  Other candidates are:
    test.osl:9	int funcb ()
    test.osl:11	color funcb ()
test.osl:29: error: Ambiguous call to 'ambig_struct_return ()'
  Candidates are:
    test.osl:17	struct B ambig_struct_return ()
    test.osl:16	struct A ambig_struct_return ()
FAILED test.osl
