diff options
Diffstat (limited to 'gcc/internal-fn.def')
| -rw-r--r-- | gcc/internal-fn.def | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/internal-fn.def b/gcc/internal-fn.def index 319e0ab..3d5aca0 100644 --- a/gcc/internal-fn.def +++ b/gcc/internal-fn.def @@ -533,7 +533,9 @@ DEF_INTERNAL_FN (ATOMIC_AND_FETCH_CMP_0, ECF_LEAF, NULL) DEF_INTERNAL_FN (ATOMIC_OR_FETCH_CMP_0, ECF_LEAF, NULL) DEF_INTERNAL_FN (ATOMIC_XOR_FETCH_CMP_0, ECF_LEAF, NULL) -/* To implement [[fallthrough]]. */ +/* To implement [[fallthrough]]. If the TREE_NOTHROW or GF_CALL_NOTHROW flag + is set on the call (normally redundant with ECF_NOTHROW), it marks + [[fallthrough]] at the end of C++ loop body. */ DEF_INTERNAL_FN (FALLTHROUGH, ECF_LEAF | ECF_NOTHROW, NULL) /* To implement __builtin_launder. */ |