1 /* Incorrect `cast discards `const'' warnings. There should be warnings
2 in bad_cast and bad_assign; bad_assign gets the correct warning, but
3 good_cast may get the warning instead of bad_cast.
4 gcc 2.7.2.3 passes, egcs-1.1.2 and egcs-ss-19990428 fail.
5 http://gcc.gnu.org/ml/gcc-bugs/1998-08/msg00645.html */
6 /* { dg-do compile } */
7 /* { dg-options "-Wcast-qual" } */
8 void
good_cast(const void * bar)9 good_cast(const void *bar)
10 {
11 (char *const *)bar; /* { dg-bogus "cast discards" "discarding `const' warning" } */
12 }
13
14 void
bad_cast(const void * bar)15 bad_cast(const void *bar)
16 {
17 (const char **)bar; /* { dg-warning "cast discards" "discarding `const' warning" } */
18 }
19
20 void
good_assign(const void * bar)21 good_assign(const void *bar)
22 {
23 char *const *foo = bar; /* { dg-bogus "initialization discards" "discarding `const' warning" } */
24 }
25
26 void
bad_assign(const void * bar)27 bad_assign(const void *bar)
28 {
29 const char **foo = bar; /* { dg-warning "initialization discards" "discarding `const' warning" } */
30 }
31