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Diffstat (limited to 'gcc/tree-inline.c')
| -rw-r--r-- | gcc/tree-inline.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 4827fa2..120bab0 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -1616,9 +1616,13 @@ expand_call_inline (tree *tp, int *walk_subtrees, void *data) id->current_node = edge->callee; copy = copy_body (id); + /* If the function uses a return slot, then it may legitimately + fall through while still returning a value, so we have to skip + the warning here. */ if (warn_return_type && !TREE_NO_WARNING (fn) && !VOID_TYPE_P (TREE_TYPE (TREE_TYPE (fn))) + && return_slot_addr == NULL_TREE && block_may_fallthru (copy)) { warning ("control may reach end of non-void function %qD being inlined", |