diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/free-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/free-2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/free-2.c b/gcc/testsuite/gcc.dg/free-2.c new file mode 100644 index 000000000..eb9465131 --- /dev/null +++ b/gcc/testsuite/gcc.dg/free-2.c @@ -0,0 +1,26 @@ +/* PR c/36970 */ +/* { dg-do compile } */ +/* { dg-options "-O0" } */ + +extern void free (void *); + +char *p, buf3[10], d; +struct S { char a; int b; } *r; + +void foo (void) +{ + char buf[10], buf2[10], c; + static char buf4[10], e; + char *q = buf; + free (p); + free (q); /* At -O0 no warning is reported here. */ + free (buf2); /* { dg-warning "attempt to free a non-heap object" } */ + free (&c); /* { dg-warning "attempt to free a non-heap object" } */ + free (buf3); /* { dg-warning "attempt to free a non-heap object" } */ + free (&d); /* { dg-warning "attempt to free a non-heap object" } */ + free (buf4); /* { dg-warning "attempt to free a non-heap object" } */ + free (&e); /* { dg-warning "attempt to free a non-heap object" } */ + free (&r->a); + free ("abcd"); /* { dg-warning "attempt to free a non-heap object" } */ + free (L"abcd"); /* { dg-warning "attempt to free a non-heap object" } */ +} |