Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/cast-2.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 1830386684a0 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 /* Test diagnostics for bad or doubtful casts. Test with | |
| 2 -pedantic. */ | |
| 3 /* Origin: Joseph Myers <joseph@codesourcery.com> */ | |
| 4 /* { dg-do compile } */ | |
| 5 /* { dg-options "-std=gnu99 -pedantic" } */ | |
| 6 | |
| 7 struct s { int a; } sv; | |
| 8 union u { int a; } uv; | |
| 9 int i; | |
| 10 long l; | |
| 11 char c; | |
| 12 void *p; | |
| 13 float fv; | |
| 14 | |
| 15 void | |
| 16 f (void) | |
| 17 { | |
| 18 (int []) p; /* { dg-error "cast specifies array type" } */ | |
| 19 (int ()) p; /* { dg-error "cast specifies function type" } */ | |
| 20 (struct s) sv; /* { dg-warning "ISO C forbids casting nonscalar to the same type" } */ | |
| 21 (union u) uv; /* { dg-warning "ISO C forbids casting nonscalar to the same type" } */ | |
| 22 (struct s) i; /* { dg-error "conversion to non-scalar type requested" } */ | |
| 23 (union u) i; /* { dg-warning "ISO C forbids casts to union type" } */ | |
| 24 (union u) l; /* { dg-error "cast to union type from type not present in union" } */ | |
| 25 (int) sv; /* { dg-error "aggregate value used where an integer was expected" } */ | |
| 26 (int) uv; /* { dg-error "aggregate value used where an integer was expected" } */ | |
| 27 (float) sv; /* { dg-error "aggregate value used where a float was expected" } */ | |
| 28 (float) uv; /* { dg-error "aggregate value used where a float was expected" } */ | |
| 29 (_Complex double) sv; /* { dg-error "aggregate value used where a complex was expected" } */ | |
| 30 (_Complex double) uv; /* { dg-error "aggregate value used where a complex was expected" } */ | |
| 31 (void *) sv; /* { dg-error "cannot convert to a pointer type" } */ | |
| 32 (void *) uv; /* { dg-error "cannot convert to a pointer type" } */ | |
| 33 (_Bool) sv; /* { dg-error "used struct type value where scalar is required" } */ | |
| 34 (_Bool) uv; /* { dg-error "used union type value where scalar is required" } */ | |
| 35 (void) sv; | |
| 36 (const void) uv; | |
| 37 (void *) c; /* { dg-warning "cast to pointer from integer of different size" } */ | |
| 38 (void *) (char) 1; | |
| 39 (char) p; /* { dg-warning "cast from pointer to integer of different size" } */ | |
| 40 (char) (void *) 1; /* { dg-warning "cast from pointer to integer of different size" } */ | |
| 41 } |