diff options
Diffstat (limited to 'test/sizeof-vla.c')
-rw-r--r-- | test/sizeof-vla.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/sizeof-vla.c b/test/sizeof-vla.c new file mode 100644 index 0000000..16d6fa1 --- /dev/null +++ b/test/sizeof-vla.c @@ -0,0 +1,19 @@ +int c = 0; +int main(void) { + int r = 0; + int l = 2; + int (*p)[l] = 0; + r += sizeof(c++, p) != sizeof(int (*)[]); /* VM, but not VLA */ + r += c != 0; + r += sizeof(*(c++, p)) != 2 * sizeof(int); /* VLA */ + r += c != 1; + r += sizeof(c++, *p) != sizeof(int *); /* VLA decayed to pointer */ + r += c != 1; + r += sizeof(int[++l]) != 3 * sizeof(int); /* VLA */ + r += l != 3; + r += sizeof(int[++l][1]) != sizeof(int[4][1]); /* VLA */ + r += l != 4; + r += sizeof(int[(c++, 5)]) != 5 * sizeof(int); /* VLA */ + r += c != 2; + return r; +} |