/* PR c/81233 */ /* { dg-do compile } */ /* { dg-options "-Wc++-compat -Wpedantic" } */ /* Test we're printing the types, like the good compiler we are. */ enum E1 { A } e; enum E2 { B }; extern void foo_E (enum E1); /* { dg-message "expected 'enum E1' but argument is of type 'int'" } */ extern void foo (char *); /* { dg-message "expected 'char \\*' but argument is of type 'int \\*'" } */ extern void foo2 (int *); /* { dg-message "expected 'int \\*' but argument is of type 'int'" } */ extern void foo3 (int); /* { dg-message "expected 'int' but argument is of type 'int \\*'" } */ extern void foo4 (int *); /* { dg-message "expected 'int \\*' but argument is of type 'unsigned int \\*'" } */ char * fn0 (int *p, char *q) { p = q; /* { dg-warning "assignment to 'int \\*' from incompatible pointer type 'char \\*'" } */ int *r = q; /* { dg-warning "initialization of 'int \\*' from incompatible pointer type 'char \\*'" } */ foo (r); /* { dg-warning "passing argument 1 of 'foo' from incompatible pointer type" } */ return p; /* { dg-warning "returning 'int \\*' from a function with incompatible return type 'char \\*'" } */ } int * fn1 (int *p) { p = 1; /* { dg-warning "assignment to 'int \\*' from 'int' makes pointer from integer without a cast" } */ int *q = 1; /* { dg-warning "initialization of 'int \\*' from 'int' makes pointer from integer without a cast" } */ foo2 (1); /* { dg-warning "passing argument 1 of 'foo2' makes pointer from integer without a cast" } */ return 1; /* { dg-warning "returning 'int' from a function with return type 'int \\*' makes pointer from integer without a cast" } */ } int fn2 (int i, int *p) { i = p; /* { dg-warning "assignment to 'int' from 'int \\*' makes integer from pointer without a cast" } */ int j = p; /* { dg-warning "initialization of 'int' from 'int \\*' makes integer from pointer without a cast" } */ foo3 (p); /* { dg-warning "passing argument 1 of 'foo3' makes integer from pointer without a cast" } */ return p; /* { dg-warning "returning 'int \\*' from a function with return type 'int' makes integer from pointer without a cast" } */ } int * fn3 (int *p, unsigned int *u) { p = u; /* { dg-warning "pointer targets in assignment from 'unsigned int \\*' to 'int \\*' differ in signedness" } */ int *q = u; /* { dg-warning "pointer targets in initialization of 'int \\*' from 'unsigned int \\*' differ in signedness" } */ foo4 (u); /* { dg-warning "pointer targets in passing argument 1 of 'foo4' differ in signedness" } */ return u; /* { dg-warning "pointer targets in returning 'unsigned int \\*' from a function with return type 'int \\*' differ in signedness" } */ } enum E1 fn4 (void) { foo_E (B); /* { dg-warning "enum conversion when passing argument" } */ e = 0; /* { dg-warning "enum conversion from 'int' to 'enum E1' in assignment is invalid" } */ enum E1 f = 0; /* { dg-warning "enum conversion from 'int' to 'enum E1' in initialization is invalid" } */ return 0; /* { dg-warning "enum conversion from 'int' to 'enum E1' in return is invalid" } */ }