[libc++] Remove a redundant check from __hash_table::__emplace_unique

philnik777 · philnik777 · commit fc0b1454ccc4 · 2025-10-14T11:45:40.000+02:00
diff --git a/libcxx/include/__hash_table b/libcxx/include/__hash_table
@@ -808,7 +808,7 @@ public:
           }
           {
             __node_holder __h = __construct_node_hash(__hash, std::forward<_Args>(__args2)...);
-            if (size() + 1 > __bc * max_load_factor() || __bc == 0) {
+            if (size() + 1 > __bc * max_load_factor()) {
               __rehash_unique(std::max<size_type>(2 * __bc + !std::__is_hash_power2(__bc),
                                                   size_type(__math::ceil(float(size() + 1) / max_load_factor()))));
               __bc    = bucket_count();

Original file line number	Diff line number	Diff line change
`@@ -808,7 +808,7 @@ public:`
`808`	`808`	`}`
`809`	`809`	`{`
`810`	`810`	`__node_holder __h = __construct_node_hash(__hash, std::forward<_Args>(__args2)...);`
`811`		`- if (size() + 1 > __bc * max_load_factor() \|\| __bc == 0) {`
	`811`	`+ if (size() + 1 > __bc * max_load_factor()) {`
`812`	`812`	`__rehash_unique(std::max<size_type>(2 * __bc + !std::__is_hash_power2(__bc),`
`813`	`813`	`size_type(__math::ceil(float(size() + 1) / max_load_factor()))));`
`814`	`814`	`__bc = bucket_count();`