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111
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1 /* Test diagnostics for bad implicit type conversions.
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2 -pedantic-errors test. */
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3 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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4 /* { dg-do compile } */
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5 /* { dg-options "-pedantic-errors -ftrack-macro-expansion=0" } */
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6
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7 #define TESTARG(ID, TL, TR) void ID##F(TL); void ID##F2(TR x) { ID##F(x); } extern int dummy
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8 #define TESTARP(ID, TL, TR) struct { void (*x)(TL); } ID##Fp; void ID##F2(TR x) { ID##Fp.x(x); } extern int dummy
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9 #define TESTASS(ID, TL, TR) void ID##F(TR x) { TL y; y = x; } extern int dummy
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10 #define TESTINI(ID, TL, TR) void ID##F(TR x) { TL y = x; } extern int dummy
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11 #define TESTRET(ID, TL, TR) TR ID##V; TL ID##F(void) { return ID##V; } extern int dummy
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12
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13 typedef void (*fp)(void);
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14 typedef void (*nrfp)(void) __attribute__((noreturn));
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15
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16 TESTARG(fqa, nrfp, fp); /* { dg-error "passing argument 1 of 'fqaF' makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */
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17 TESTARP(fqb, nrfp, fp); /* { dg-error "passing argument 1 of 'fqbFp.x' makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */
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18 TESTASS(fqc, nrfp, fp); /* { dg-error "assignment makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */
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19 TESTINI(fqd, nrfp, fp); /* { dg-error "initialization makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */
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20 TESTRET(fqe, nrfp, fp); /* { dg-error "return makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */
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21
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22 TESTARG(ofqa, fp, nrfp);
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23 TESTARP(ofqb, fp, nrfp);
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24 TESTASS(ofqc, fp, nrfp);
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25 TESTINI(ofqd, fp, nrfp);
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26 TESTRET(ofqe, fp, nrfp);
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27
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28 TESTARG(qa, char *, const char *); /* { dg-error "passing argument 1 of 'qaF' discards 'const' qualifier from pointer target type" } */
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29 TESTARP(qb, char *, const char *); /* { dg-error "passing argument 1 of 'qbFp.x' discards 'const' qualifier from pointer target type" } */
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30 TESTASS(qc, char *, const char *); /* { dg-error "assignment discards 'const' qualifier from pointer target type" } */
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31 TESTINI(qd, char *, const char *); /* { dg-error "initialization discards 'const' qualifier from pointer target type" } */
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32 TESTRET(qe, char *, const char *); /* { dg-error "return discards 'const' qualifier from pointer target type" } */
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33
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34 TESTARG(oqa, const char *, char *);
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35 TESTARP(oqb, const char *, char *);
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36 TESTASS(oqc, const char *, char *);
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37 TESTINI(oqd, const char *, char *);
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38 TESTRET(oqe, const char *, char *);
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39
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40 TESTARG(fda, fp, void *); /* { dg-error "ISO C forbids passing argument 1 of 'fdaF' between function pointer and 'void \\*'" } */
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41 TESTARP(fdb, fp, void *); /* { dg-error "ISO C forbids passing argument 1 of 'fdbFp.x' between function pointer and 'void \\*'" } */
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42 TESTASS(fdc, fp, void *); /* { dg-error "ISO C forbids assignment between function pointer and 'void \\*'" } */
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43 TESTINI(fdd, fp, void *); /* { dg-error "ISO C forbids initialization between function pointer and 'void \\*'" } */
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44 TESTRET(fde, fp, void *); /* { dg-error "ISO C forbids return between function pointer and 'void \\*'" } */
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45
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46 TESTARG(dfa, void *, fp); /* { dg-error "ISO C forbids passing argument 1 of 'dfaF' between function pointer and 'void \\*'" } */
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47 TESTARP(dfb, void *, fp); /* { dg-error "ISO C forbids passing argument 1 of 'dfbFp.x' between function pointer and 'void \\*'" } */
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48 TESTASS(dfc, void *, fp); /* { dg-error "ISO C forbids assignment between function pointer and 'void \\*'" } */
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49 TESTINI(dfd, void *, fp); /* { dg-error "ISO C forbids initialization between function pointer and 'void \\*'" } */
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50 TESTRET(dfe, void *, fp); /* { dg-error "ISO C forbids return between function pointer and 'void \\*'" } */
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51
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52 TESTARG(sua, int *, unsigned int *); /* { dg-error "pointer targets in passing argument 1 of 'suaF' differ in signedness" } */
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53 TESTARP(sub, int *, unsigned int *); /* { dg-error "pointer targets in passing argument 1 of 'subFp.x' differ in signedness" } */
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54 TESTASS(suc, int *, unsigned int *); /* { dg-error "pointer targets in assignment from 'unsigned int \\*' to 'int \\*' differ in signedness" } */
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55 TESTINI(sud, int *, unsigned int *); /* { dg-error "pointer targets in initialization of 'int \\*' from 'unsigned int \\*' differ in signedness" } */
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56 TESTRET(sue, int *, unsigned int *); /* { dg-error "pointer targets in returning 'unsigned int \\*' from a function with return type 'int \\*' differ in signedness" } */
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57
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58 TESTARG(usa, unsigned int *, int *); /* { dg-error "pointer targets in passing argument 1 of 'usaF' differ in signedness" } */
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59 TESTARP(usb, unsigned int *, int *); /* { dg-error "pointer targets in passing argument 1 of 'usbFp.x' differ in signedness" } */
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60 TESTASS(usc, unsigned int *, int *); /* { dg-error "pointer targets in assignment from 'int \\*' to 'unsigned int \\*' differ in signedness" } */
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61 TESTINI(usd, unsigned int *, int *); /* { dg-error "pointer targets in initialization of 'unsigned int \\*' from 'int \\*' differ in signedness" } */
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62 TESTRET(use, unsigned int *, int *); /* { dg-error "pointer targets in returning 'int \\*' from a function with return type 'unsigned int \\*' differ in signedness" } */
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63
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64 TESTARG(cua, char *, unsigned char *); /* { dg-error "pointer targets in passing argument 1 of 'cuaF' differ in signedness" } */
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65 TESTARP(cub, char *, unsigned char *); /* { dg-error "pointer targets in passing argument 1 of 'cubFp.x' differ in signedness" } */
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66 TESTASS(cuc, char *, unsigned char *); /* { dg-error "pointer targets in assignment from 'unsigned char \\*' to 'char \\*' differ in signedness" } */
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67 TESTINI(cud, char *, unsigned char *); /* { dg-error "pointer targets in initialization of 'char \\*' from 'unsigned char \\*' differ in signedness" } */
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68 TESTRET(cue, char *, unsigned char *); /* { dg-error "pointer targets in returning 'unsigned char \\*' from a function with return type 'char \\*' differ in signedness" } */
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69
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70 TESTARG(uca, unsigned char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'ucaF' differ in signedness" } */
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71 TESTARP(ucb, unsigned char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'ucbFp.x' differ in signedness" } */
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72 TESTASS(ucc, unsigned char *, char *); /* { dg-error "pointer targets in assignment from 'char \\*' to 'unsigned char \\*' differ in signedness" } */
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73 TESTINI(ucd, unsigned char *, char *); /* { dg-error "pointer targets in initialization of 'unsigned char \\*' from 'char \\*' differ in signedness" } */
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74 TESTRET(uce, unsigned char *, char *); /* { dg-error "pointer targets in returning 'char \\*' from a function with return type 'unsigned char \\*' differ in signedness" } */
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75
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76 TESTARG(csa, char *, signed char *); /* { dg-error "pointer targets in passing argument 1 of 'csaF' differ in signedness" } */
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77 TESTARP(csb, char *, signed char *); /* { dg-error "pointer targets in passing argument 1 of 'csbFp.x' differ in signedness" } */
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78 TESTASS(csc, char *, signed char *); /* { dg-error "pointer targets in assignment from 'signed char \\*' to 'char \\*' differ in signedness" } */
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79 TESTINI(csd, char *, signed char *); /* { dg-error "pointer targets in initialization of 'char \\*' from 'signed char \\*' differ in signedness" } */
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80 TESTRET(cse, char *, signed char *); /* { dg-error "pointer targets in returning 'signed char \\*' from a function with return type 'char \\*' differ in signedness" } */
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81
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82 TESTARG(sca, signed char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'scaF' differ in signedness" } */
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83 TESTARP(scb, signed char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'scbFp.x' differ in signedness" } */
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84 TESTASS(scc, signed char *, char *); /* { dg-error "pointer targets in assignment from 'char \\*' to 'signed char \\*' differ in signedness" } */
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85 TESTINI(scd, signed char *, char *); /* { dg-error "pointer targets in initialization of 'signed char \\*' from 'char \\*' differ in signedness" } */
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86 TESTRET(sce, signed char *, char *); /* { dg-error "pointer targets in returning 'char \\*' from a function with return type 'signed char \\*' differ in signedness" } */
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87
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88 TESTARG(cia, char *, int *); /* { dg-error "passing argument 1 of 'ciaF' from incompatible pointer type" } */
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89 TESTARP(cib, char *, int *); /* { dg-error "passing argument 1 of 'cibFp.x' from incompatible pointer type" } */
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90 TESTASS(cic, char *, int *); /* { dg-error "assignment to 'char \\*' from incompatible pointer type 'int \\*'" } */
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91 TESTINI(cid, char *, int *); /* { dg-error "initialization of 'char \\*' from incompatible pointer type 'int \\*'" } */
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92 TESTRET(cie, char *, int *); /* { dg-error "returning 'int \\*' from a function with incompatible return type 'char \\*'" } */
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93
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94 TESTARG(ica, int *, char *); /* { dg-error "passing argument 1 of 'icaF' from incompatible pointer type" } */
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95 TESTARP(icb, int *, char *); /* { dg-error "passing argument 1 of 'icbFp.x' from incompatible pointer type" } */
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96 TESTASS(icc, int *, char *); /* { dg-error "assignment to 'int \\*' from incompatible pointer type 'char \\*'" } */
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97 TESTINI(icd, int *, char *); /* { dg-error "initialization of 'int \\*' from incompatible pointer type 'char \\*'" } */
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98 TESTRET(ice, int *, char *); /* { dg-error "returning 'char \\*' from a function with incompatible return type 'int \\*'" } */
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99
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100 TESTARG(ciia, char *, int); /* { dg-error "passing argument 1 of 'ciiaF' makes pointer from integer without a cast" } */
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101 TESTARP(ciib, char *, int); /* { dg-error "passing argument 1 of 'ciibFp.x' makes pointer from integer without a cast" } */
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102 TESTASS(ciic, char *, int); /* { dg-error "assignment to 'char \\*' from 'int' makes pointer from integer without a cast" } */
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103 TESTINI(ciid, char *, int); /* { dg-error "initialization of 'char \\*' from 'int' makes pointer from integer without a cast" } */
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104 TESTRET(ciie, char *, int); /* { dg-error "returning 'int' from a function with return type 'char \\*' makes pointer from integer without a cast" } */
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105
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106 TESTARG(iica, int, char *); /* { dg-error "passing argument 1 of 'iicaF' makes integer from pointer without a cast" } */
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107 TESTARP(iicb, int, char *); /* { dg-error "passing argument 1 of 'iicbFp.x' makes integer from pointer without a cast" } */
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108 TESTASS(iicc, int, char *); /* { dg-error "assignment to 'int' from 'char \\*' makes integer from pointer without a cast" } */
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109 TESTINI(iicd, int, char *); /* { dg-error "initialization of 'int' from 'char \\*' makes integer from pointer without a cast" } */
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110 TESTRET(iice, int, char *); /* { dg-error "returning 'char \\*' from a function with return type 'int' makes integer from pointer without a cast" } */
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111
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112 struct s { int a; };
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113
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114 TESTARG(stria, struct s, int); /* { dg-error "incompatible type for argument 1 of 'striaF'" } */
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115 TESTARP(strib, struct s, int); /* { dg-error "incompatible type for argument 1 of 'stribFp.x'" } */
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116 TESTASS(stric, struct s, int); /* { dg-error "incompatible types when assigning to type 'struct s' from type 'int'" } */
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117 TESTINI(strid, struct s, int); /* { dg-error "invalid initializer" } */
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118 TESTRET(strie, struct s, int); /* { dg-error "incompatible types when returning type 'int' but 'struct s' was expected" } */
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119
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120 TESTARG(istra, int, struct s); /* { dg-error "incompatible type for argument 1 of 'istraF'" } */
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121 TESTARP(istrb, int, struct s); /* { dg-error "incompatible type for argument 1 of 'istrbFp.x'" } */
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122 TESTASS(istrc, int, struct s); /* { dg-error "incompatible types when assigning to type 'int' from type 'struct s'" } */
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123 TESTINI(istrd, int, struct s); /* { dg-error "incompatible types when initializing type 'int' using type 'struct s'" } */
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124 TESTRET(istre, int, struct s); /* { dg-error "incompatible types when returning type 'struct s' but 'int' was expected" } */
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125 /* { dg-message "note: expected '\[^'\n\]*' but argument is of type '\[^'\n\]*'" "note: expected" { target *-*-* } 0 } */
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