diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pointer-arith-6.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pointer-arith-6.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pointer-arith-6.c b/gcc/testsuite/gcc.dg/pointer-arith-6.c new file mode 100644 index 0000000..18cd185 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pointer-arith-6.c @@ -0,0 +1,17 @@ +/* Test diagnostics for sizeof on void and function types. Test with + -Wpointer-arith. */ +/* Origin: Joseph Myers <joseph@codesourcery.com> */ +/* { dg-do compile } */ +/* { dg-options "-Wpointer-arith" } */ + +extern const void v; +void f(void); + +void +g (void) +{ + sizeof (v); /* { dg-warning "warning: invalid application of 'sizeof' to a void type" } */ + sizeof (void); /* { dg-warning "warning: invalid application of 'sizeof' to a void type" } */ + sizeof (f); /* { dg-warning "warning: invalid application of 'sizeof' to a function type" } */ + sizeof (void (void)); /* { dg-warning "warning: invalid application of 'sizeof' to a function type" } */ +} |