)]}'
{
  "commit": "cbbf303ff51b61315f82b0f87bb52db2bedf2b78",
  "tree": "792309a9f79daeb044238721711aab1020454a9d",
  "parents": [
    "b9e33fd49386a4be569e7d579c24e0e2a9607943"
  ],
  "author": {
    "name": "Nikolas Klauser",
    "email": "nikolasklauser@berlin.de",
    "time": "Fri Aug 15 08:57:33 2025 +0200"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Fri Aug 15 08:57:33 2025 +0200"
  },
  "message": "[libc++] Optimize __hash_table copy constructors and assignment (#151951)\n\n```\n----------------------------------------------------------------------------------------------------------------------\nBenchmark                                                                                             old          new\n----------------------------------------------------------------------------------------------------------------------\nstd::unordered_set\u003cint\u003e::ctor(const\u0026)/0                                                           15.4 ns      14.6 ns\nstd::unordered_set\u003cint\u003e::ctor(const\u0026)/32                                                           686 ns       322 ns\nstd::unordered_set\u003cint\u003e::ctor(const\u0026)/1024                                                       35839 ns     21490 ns\nstd::unordered_set\u003cint\u003e::ctor(const\u0026)/8192                                                      385790 ns    280270 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into cleared Container)/0                             15.1 ns      15.9 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into cleared Container)/32                            1077 ns       333 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into cleared Container)/1024                         31296 ns      9984 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into cleared Container)/8192                        266776 ns    109418 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into partially populated Container)/0                 15.1 ns      16.3 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into partially populated Container)/32                 962 ns       320 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into partially populated Container)/1024             31713 ns     10128 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into partially populated Container)/8192            266113 ns    108525 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into populated Container)/0                          0.990 ns      2.03 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into populated Container)/32                           963 ns       263 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into populated Container)/1024                       27600 ns      7793 ns\nstd::unordered_set\u003cint\u003e::operator\u003d(const\u0026) (into populated Container)/8192                      235295 ns     66248 ns\nstd::unordered_set\u003cstd::string\u003e::ctor(const\u0026)/0                                                   16.0 ns      15.0 ns\nstd::unordered_set\u003cstd::string\u003e::ctor(const\u0026)/32                                                  2950 ns      1277 ns\nstd::unordered_set\u003cstd::string\u003e::ctor(const\u0026)/1024                                              246935 ns     73762 ns\nstd::unordered_set\u003cstd::string\u003e::ctor(const\u0026)/8192                                             3310895 ns   2468608 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into cleared Container)/0                     16.1 ns      15.8 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into cleared Container)/32                    5856 ns      1039 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into cleared Container)/1024                170436 ns     74836 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into cleared Container)/8192               1574235 ns   1096891 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into partially populated Container)/0         16.0 ns      16.3 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into partially populated Container)/32        5571 ns      1064 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into partially populated Container)/1024    199220 ns     75462 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into partially populated Container)/8192   1552465 ns   1116094 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into populated Container)/0                   1.70 ns      2.14 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into populated Container)/32                  2562 ns       645 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into populated Container)/1024              228608 ns     39100 ns\nstd::unordered_set\u003cstd::string\u003e::operator\u003d(const\u0026) (into populated Container)/8192             2013723 ns    390401 ns\n```\n\nFixes #77657",
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