/*      $NetBSD: msg_242.c,v 1.8 2023/07/09 11:01:27 rillig Exp $       */
# 3 "msg_242.c"

// Test for message: combination of '%s' and '%s', op '%s' [242]

/* lint1-extra-flags: -e -X 351 */

enum E {
        E1
};

void sink_enum(enum E);
void sink_int(int);

void
example(enum E e, int i)
{
        enum E e2 = e;
        /* expect+1: warning: initialization of 'enum E' with 'int' [277] */
        enum E e3 = i;
        /* expect+1: warning: initialization of 'int' with 'enum E' [277] */
        int i2 = e;
        int i3 = i;

        /* expect+1: warning: combination of 'enum E' and 'int', op '=' [242] */
        e3 = i;
        /* expect+1: warning: combination of 'int' and 'enum E', op '=' [242] */
        i2 = e;

        sink_enum(e2);
        sink_enum(e3);
        sink_int(i2);
        sink_int(i3);
}


/*
 * In C, the only ways to create named compile-time integer constants are
 * preprocessor macros or enum constants. All other expressions do not count
 * as constant expressions, even if they are declared 'static const' or
 * 'const'.
 */
unsigned
unnamed_enum(void)
{
        enum {
                compile_time_constant = 2
        };

        unsigned i = 3;

        /* expect+3: warning: dubious operation '*' on enum [241] */
        /* FIXME: Combining 'unsigned int' with 'unsigned int' is OK. */
        /* expect+1: warning: combination of 'unsigned int' and 'unsigned int', op '=' [242] */
        i = compile_time_constant * i;
        return i;
}