/* Test diagnostics for bad implicit type conversions. -pedantic-errors test. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-pedantic-errors -ftrack-macro-expansion=0" } */ #define TESTARG(ID, TL, TR) void ID##F(TL); void ID##F2(TR x) { ID##F(x); } extern int dummy #define TESTARP(ID, TL, TR) struct { void (*x)(TL); } ID##Fp; void ID##F2(TR x) { ID##Fp.x(x); } extern int dummy #define TESTASS(ID, TL, TR) void ID##F(TR x) { TL y; y = x; } extern int dummy #define TESTINI(ID, TL, TR) void ID##F(TR x) { TL y = x; } extern int dummy #define TESTRET(ID, TL, TR) TR ID##V; TL ID##F(void) { return ID##V; } extern int dummy typedef void (*fp)(void); typedef void (*nrfp)(void) __attribute__((noreturn)); TESTARG(fqa, nrfp, fp); /* { dg-error "passing argument 1 of 'fqaF' makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */ TESTARP(fqb, nrfp, fp); /* { dg-error "passing argument 1 of 'fqbFp.x' makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */ TESTASS(fqc, nrfp, fp); /* { dg-error "assignment makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */ TESTINI(fqd, nrfp, fp); /* { dg-error "initialization makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */ TESTRET(fqe, nrfp, fp); /* { dg-error "return makes '__attribute__..noreturn..' qualified function pointer from unqualified" } */ TESTARG(ofqa, fp, nrfp); TESTARP(ofqb, fp, nrfp); TESTASS(ofqc, fp, nrfp); TESTINI(ofqd, fp, nrfp); TESTRET(ofqe, fp, nrfp); TESTARG(qa, char *, const char *); /* { dg-error "passing argument 1 of 'qaF' discards 'const' qualifier from pointer target type" } */ TESTARP(qb, char *, const char *); /* { dg-error "passing argument 1 of 'qbFp.x' discards 'const' qualifier from pointer target type" } */ TESTASS(qc, char *, const char *); /* { dg-error "assignment discards 'const' qualifier from pointer target type" } */ TESTINI(qd, char *, const char *); /* { dg-error "initialization discards 'const' qualifier from pointer target type" } */ TESTRET(qe, char *, const char *); /* { dg-error "return discards 'const' qualifier from pointer target type" } */ TESTARG(oqa, const char *, char *); TESTARP(oqb, const char *, char *); TESTASS(oqc, const char *, char *); TESTINI(oqd, const char *, char *); TESTRET(oqe, const char *, char *); TESTARG(fda, fp, void *); /* { dg-error "ISO C forbids passing argument 1 of 'fdaF' between function pointer and 'void \\*'" } */ TESTARP(fdb, fp, void *); /* { dg-error "ISO C forbids passing argument 1 of 'fdbFp.x' between function pointer and 'void \\*'" } */ TESTASS(fdc, fp, void *); /* { dg-error "ISO C forbids assignment between function pointer and 'void \\*'" } */ TESTINI(fdd, fp, void *); /* { dg-error "ISO C forbids initialization between function pointer and 'void \\*'" } */ TESTRET(fde, fp, void *); /* { dg-error "ISO C forbids return between function pointer and 'void \\*'" } */ TESTARG(dfa, void *, fp); /* { dg-error "ISO C forbids passing argument 1 of 'dfaF' between function pointer and 'void \\*'" } */ TESTARP(dfb, void *, fp); /* { dg-error "ISO C forbids passing argument 1 of 'dfbFp.x' between function pointer and 'void \\*'" } */ TESTASS(dfc, void *, fp); /* { dg-error "ISO C forbids assignment between function pointer and 'void \\*'" } */ TESTINI(dfd, void *, fp); /* { dg-error "ISO C forbids initialization between function pointer and 'void \\*'" } */ TESTRET(dfe, void *, fp); /* { dg-error "ISO C forbids return between function pointer and 'void \\*'" } */ TESTARG(sua, int *, unsigned int *); /* { dg-error "pointer targets in passing argument 1 of 'suaF' differ in signedness" } */ TESTARP(sub, int *, unsigned int *); /* { dg-error "pointer targets in passing argument 1 of 'subFp.x' differ in signedness" } */ TESTASS(suc, int *, unsigned int *); /* { dg-error "pointer targets in assignment from 'unsigned int \\*' to 'int \\*' differ in signedness" } */ TESTINI(sud, int *, unsigned int *); /* { dg-error "pointer targets in initialization of 'int \\*' from 'unsigned int \\*' differ in signedness" } */ TESTRET(sue, int *, unsigned int *); /* { dg-error "pointer targets in returning 'unsigned int \\*' from a function with return type 'int \\*' differ in signedness" } */ TESTARG(usa, unsigned int *, int *); /* { dg-error "pointer targets in passing argument 1 of 'usaF' differ in signedness" } */ TESTARP(usb, unsigned int *, int *); /* { dg-error "pointer targets in passing argument 1 of 'usbFp.x' differ in signedness" } */ TESTASS(usc, unsigned int *, int *); /* { dg-error "pointer targets in assignment from 'int \\*' to 'unsigned int \\*' differ in signedness" } */ TESTINI(usd, unsigned int *, int *); /* { dg-error "pointer targets in initialization of 'unsigned int \\*' from 'int \\*' differ in signedness" } */ TESTRET(use, unsigned int *, int *); /* { dg-error "pointer targets in returning 'int \\*' from a function with return type 'unsigned int \\*' differ in signedness" } */ TESTARG(cua, char *, unsigned char *); /* { dg-error "pointer targets in passing argument 1 of 'cuaF' differ in signedness" } */ TESTARP(cub, char *, unsigned char *); /* { dg-error "pointer targets in passing argument 1 of 'cubFp.x' differ in signedness" } */ TESTASS(cuc, char *, unsigned char *); /* { dg-error "pointer targets in assignment from 'unsigned char \\*' to 'char \\*' differ in signedness" } */ TESTINI(cud, char *, unsigned char *); /* { dg-error "pointer targets in initialization of 'char \\*' from 'unsigned char \\*' differ in signedness" } */ TESTRET(cue, char *, unsigned char *); /* { dg-error "pointer targets in returning 'unsigned char \\*' from a function with return type 'char \\*' differ in signedness" } */ TESTARG(uca, unsigned char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'ucaF' differ in signedness" } */ TESTARP(ucb, unsigned char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'ucbFp.x' differ in signedness" } */ TESTASS(ucc, unsigned char *, char *); /* { dg-error "pointer targets in assignment from 'char \\*' to 'unsigned char \\*' differ in signedness" } */ TESTINI(ucd, unsigned char *, char *); /* { dg-error "pointer targets in initialization of 'unsigned char \\*' from 'char \\*' differ in signedness" } */ TESTRET(uce, unsigned char *, char *); /* { dg-error "pointer targets in returning 'char \\*' from a function with return type 'unsigned char \\*' differ in signedness" } */ TESTARG(csa, char *, signed char *); /* { dg-error "pointer targets in passing argument 1 of 'csaF' differ in signedness" } */ TESTARP(csb, char *, signed char *); /* { dg-error "pointer targets in passing argument 1 of 'csbFp.x' differ in signedness" } */ TESTASS(csc, char *, signed char *); /* { dg-error "pointer targets in assignment from 'signed char \\*' to 'char \\*' differ in signedness" } */ TESTINI(csd, char *, signed char *); /* { dg-error "pointer targets in initialization of 'char \\*' from 'signed char \\*' differ in signedness" } */ TESTRET(cse, char *, signed char *); /* { dg-error "pointer targets in returning 'signed char \\*' from a function with return type 'char \\*' differ in signedness" } */ TESTARG(sca, signed char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'scaF' differ in signedness" } */ TESTARP(scb, signed char *, char *); /* { dg-error "pointer targets in passing argument 1 of 'scbFp.x' differ in signedness" } */ TESTASS(scc, signed char *, char *); /* { dg-error "pointer targets in assignment from 'char \\*' to 'signed char \\*' differ in signedness" } */ TESTINI(scd, signed char *, char *); /* { dg-error "pointer targets in initialization of 'signed char \\*' from 'char \\*' differ in signedness" } */ TESTRET(sce, signed char *, char *); /* { dg-error "pointer targets in returning 'char \\*' from a function with return type 'signed char \\*' differ in signedness" } */ TESTARG(cia, char *, int *); /* { dg-error "passing argument 1 of 'ciaF' from incompatible pointer type" } */ TESTARP(cib, char *, int *); /* { dg-error "passing argument 1 of 'cibFp.x' from incompatible pointer type" } */ TESTASS(cic, char *, int *); /* { dg-error "assignment to 'char \\*' from incompatible pointer type 'int \\*'" } */ TESTINI(cid, char *, int *); /* { dg-error "initialization of 'char \\*' from incompatible pointer type 'int \\*'" } */ TESTRET(cie, char *, int *); /* { dg-error "returning 'int \\*' from a function with incompatible return type 'char \\*'" } */ TESTARG(ica, int *, char *); /* { dg-error "passing argument 1 of 'icaF' from incompatible pointer type" } */ TESTARP(icb, int *, char *); /* { dg-error "passing argument 1 of 'icbFp.x' from incompatible pointer type" } */ TESTASS(icc, int *, char *); /* { dg-error "assignment to 'int \\*' from incompatible pointer type 'char \\*'" } */ TESTINI(icd, int *, char *); /* { dg-error "initialization of 'int \\*' from incompatible pointer type 'char \\*'" } */ TESTRET(ice, int *, char *); /* { dg-error "returning 'char \\*' from a function with incompatible return type 'int \\*'" } */ TESTARG(ciia, char *, int); /* { dg-error "passing argument 1 of 'ciiaF' makes pointer from integer without a cast" } */ TESTARP(ciib, char *, int); /* { dg-error "passing argument 1 of 'ciibFp.x' makes pointer from integer without a cast" } */ TESTASS(ciic, char *, int); /* { dg-error "assignment to 'char \\*' from 'int' makes pointer from integer without a cast" } */ TESTINI(ciid, char *, int); /* { dg-error "initialization of 'char \\*' from 'int' makes pointer from integer without a cast" } */ TESTRET(ciie, char *, int); /* { dg-error "returning 'int' from a function with return type 'char \\*' makes pointer from integer without a cast" } */ TESTARG(iica, int, char *); /* { dg-error "passing argument 1 of 'iicaF' makes integer from pointer without a cast" } */ TESTARP(iicb, int, char *); /* { dg-error "passing argument 1 of 'iicbFp.x' makes integer from pointer without a cast" } */ TESTASS(iicc, int, char *); /* { dg-error "assignment to 'int' from 'char \\*' makes integer from pointer without a cast" } */ TESTINI(iicd, int, char *); /* { dg-error "initialization of 'int' from 'char \\*' makes integer from pointer without a cast" } */ TESTRET(iice, int, char *); /* { dg-error "returning 'char \\*' from a function with return type 'int' makes integer from pointer without a cast" } */ struct s { int a; }; TESTARG(stria, struct s, int); /* { dg-error "incompatible type for argument 1 of 'striaF'" } */ TESTARP(strib, struct s, int); /* { dg-error "incompatible type for argument 1 of 'stribFp.x'" } */ TESTASS(stric, struct s, int); /* { dg-error "incompatible types when assigning to type 'struct s' from type 'int'" } */ TESTINI(strid, struct s, int); /* { dg-error "invalid initializer" } */ TESTRET(strie, struct s, int); /* { dg-error "incompatible types when returning type 'int' but 'struct s' was expected" } */ TESTARG(istra, int, struct s); /* { dg-error "incompatible type for argument 1 of 'istraF'" } */ TESTARP(istrb, int, struct s); /* { dg-error "incompatible type for argument 1 of 'istrbFp.x'" } */ TESTASS(istrc, int, struct s); /* { dg-error "incompatible types when assigning to type 'int' from type 'struct s'" } */ TESTINI(istrd, int, struct s); /* { dg-error "incompatible types when initializing type 'int' using type 'struct s'" } */ TESTRET(istre, int, struct s); /* { dg-error "incompatible types when returning type 'struct s' but 'int' was expected" } */ /* { dg-message "note: expected '\[^'\n\]*' but argument is of type '\[^'\n\]*'" "note: expected" { target *-*-* } 0 } */