msg_204.c revision 1.2 
11.2Srillig/*	$NetBSD: msg_204.c,v 1.2 2021/01/08 01:40:03 rillig Exp $	*/
21.1Srillig# 3 "msg_204.c"
31.1Srillig
41.1Srillig// Test for message: controlling expressions must have scalar type [204]
51.1Srillig
61.2Srilligextern void
71.2Srilligextern_function(void);
81.2Srillig
91.2Srilligvoid (*function_pointer)(void);
101.2Srillig
111.2Srillig/*
121.2Srillig * Since func.c 1.39 from 2020-12-31 18:51:28, lint had produced an error
131.2Srillig * when a controlling expression was a function.  Pointers to functions were
141.2Srillig * ok though.
151.2Srillig */
161.2Srilligvoid
171.2Srilligbug_between_2020_12_31_and_2021_01_08(void)
181.2Srillig{
191.2Srillig	if (extern_function)
201.2Srillig		extern_function();
211.2Srillig
221.2Srillig	/*
231.2Srillig	 * FIXME: For some reason, the ampersand is discarded in
241.2Srillig	 *  build_ampersand.  This only has a visible effect if the
251.2Srillig	 *  t_spec in check_controlling_expression is evaluated too early,
261.2Srillig	 *  as has been the case before func.c 1.52 from 2021-01-08.
271.2Srillig	 */
281.2Srillig	if (&extern_function)
291.2Srillig		extern_function();
301.2Srillig
311.2Srillig	/* This one has always been ok since pointers are scalar types. */
321.2Srillig	if (function_pointer)
331.2Srillig		function_pointer();
341.2Srillig}
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