Index: Modules/cmathmodule.c
===================================================================
--- Modules/cmathmodule.c	(revision 67510)
+++ Modules/cmathmodule.c	(working copy)
@@ -478,6 +478,9 @@
 		r.imag = l*sin(z.imag);
 	}
 	/* detect overflow, and set errno accordingly */
+	printf("r.real, r.imag: %g, %g\n", r.real, r.imag);
+	printf("Py_IS_INFINITY(r.real), Py_IS_INFINITY(r.imag): %d, %d\n",
+	       Py_IS_INFINITY(r.real), Py_IS_INFINITY(r.imag));
 	if (Py_IS_INFINITY(r.real) || Py_IS_INFINITY(r.imag))
 		errno = ERANGE;
 	else