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/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */

/* Test the char16_t and char32_t promotion rules. */

/* { dg-do compile } */

/* { dg-excess-errors "short and int are 16bit" { target { "avr-*-*" } } } */

/* { dg-options "-std=gnu99 -Wall -Wconversion -Wsign-conversion" } */

typedef __CHAR16_TYPE__ char16_t;

typedef __CHAR32_TYPE__ char32_t;

extern void f_c (char);

extern void fsc (signed char);

extern void fuc (unsigned char);

extern void f_s (short);

extern void fss (signed short);

extern void fus (unsigned short);

extern void f_i (int);

extern void fsi (signed int);

extern void fui (unsigned int);

extern void f_l (long);

extern void fsl (signed long);

extern void ful (unsigned long);

extern void f_ll (long long);

extern void fsll (signed long long);

extern void full (unsigned long long);

void m (char16_t c0, char32_t c1)

{

    f_c (c0);   /* { dg-warning "alter its value" } */

    fsc (c0);   /* { dg-warning "alter its value" } */

    fuc (c0);   /* { dg-warning "alter its value" } */

    f_s (c0);   /* { dg-warning "change the sign" } */

    fss (c0);   /* { dg-warning "change the sign" } */

    fus (c0);

    f_i (c0);

    fsi (c0);

    fui (c0);

    f_l (c0);

    fsl (c0);

    ful (c0);

    f_ll (c0);

    fsll (c0);

    full (c0);

    f_c (c1);   /* { dg-warning "alter its value" } */

    fsc (c1);   /* { dg-warning "alter its value" } */

    fuc (c1);   /* { dg-warning "alter its value" } */

    f_s (c1);   /* { dg-warning "alter its value" } */

    fss (c1);   /* { dg-warning "alter its value" } */

    fus (c1);   /* { dg-warning "alter its value" } */

    f_i (c1);   /* { dg-warning "change the sign" "" { target { ! int16 } } } */

    fsi (c1);   /* { dg-warning "change the sign" "" { target { ! int16 } } } */

    fui (c1);

    f_l (c1);   /* { dg-warning "change the sign" "" { target { llp64 || ilp32 } } } */

    fsl (c1);   /* { dg-warning "change the sign" "" { target { llp64 || ilp32 } } } */

    ful (c1);

    f_ll (c1);

    fsll (c1);

    full (c1);

}