test_bitcoin-qt: segfault under LTO (CMAKE_INTERPROCEDURAL_OPTIMIZATION=ON) #33548

1. 
   fanquake commented at 11:36 am on October 6, 2025: member

   0podman run -it ubuntu:24.04
   1apt install git build-essential cmake pkgconf python3 libevent-dev libboost-dev qt6-base-dev qt6-tools-dev qt6-l10n-tools qt6-tools-dev-tools libgl-dev libqrencode-dev
   2git clone https://github.com/bitcoin/bitcoin/
   3cd bitcoin
   

   0cmake -B build -DENABLE_IPC=OFF -DBUILD_GUI=ON -DENABLE_WALLET=OFF
   1cmake --build build
   2ctest --test-dir build # works fine
   

   0### Enable LTO
   1cmake -B build -DENABLE_IPC=OFF -DBUILD_GUI=ON -DENABLE_WALLET=OFF -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON
   2cmake --build build
   3ctest --test-dir build
   4...
   5The following tests FAILED:
   6	  6 - test_bitcoin-qt (SEGFAULT)
   

   0build/bin/test_bitcoin-qt
   1Segmentation fault (core dumped)
   

    0gdb build/bin/test_bitcoin-qt
    1...
    2Program received signal SIGSEGV, Segmentation fault.
    30x000079e008f7bafa in ?? () from /lib/x86_64-linux-gnu/libQt6Core.so.6
    4(gdb) bt
    5[#0](/bitcoin-bitcoin/0/)  0x000079e008f7bafa in ?? () from /lib/x86_64-linux-gnu/libQt6Core.so.6
    6[#1](/bitcoin-bitcoin/1/)  0x000079e0095b3844 in QGuiApplication::screenAdded(QScreen*) () from /lib/x86_64-linux-gnu/libQt6Gui.so.6
    7[#2](/bitcoin-bitcoin/2/)  0x000079e0096024a6 in QWindowSystemInterface::handleScreenAdded(QPlatformScreen*, bool) () from /lib/x86_64-linux-gnu/libQt6Gui.so.6
    8[#3](/bitcoin-bitcoin/3/)  0x000079e005856a13 in ?? () from /usr/lib/x86_64-linux-gnu/qt6/plugins/platforms/libqminimal.so
    9[#4](/bitcoin-bitcoin/4/)  0x000079e0095ac142 in QGuiApplicationPrivate::createPlatformIntegration() () from /lib/x86_64-linux-gnu/libQt6Gui.so.6
   10[#5](/bitcoin-bitcoin/5/)  0x000079e0095ad860 in QGuiApplicationPrivate::createEventDispatcher() () from /lib/x86_64-linux-gnu/libQt6Gui.so.6
   11[#6](/bitcoin-bitcoin/6/)  0x000079e008f348b6 in QCoreApplicationPrivate::init() () from /lib/x86_64-linux-gnu/libQt6Core.so.6
   12[#7](/bitcoin-bitcoin/7/)  0x000079e0095ad8ff in QGuiApplicationPrivate::init() () from /lib/x86_64-linux-gnu/libQt6Gui.so.6
   13[#8](/bitcoin-bitcoin/8/)  0x000079e009ccc985 in QApplicationPrivate::init() () from /lib/x86_64-linux-gnu/libQt6Widgets.so.6
   14[#9](/bitcoin-bitcoin/9/)  0x00005b7f77cb9cff in BitcoinApplication::BitcoinApplication (this=<optimized out>, this=<optimized out>) at .././qt/bitcoin.cpp:201
   15[#10](/bitcoin-bitcoin/10/) 0x00005b7f77c6ee8b in main (argc=<optimized out>, argv=<optimized out>) at ./qt/test/test_main.cpp:78
   

2. 
   willcl-ark commented at 8:32 am on October 15, 2025: member

   FWIW this doesn’t reproduce for me using Clang 20 via this nix flake, where I need to force QT_QPA_PLATFORM=xcb to run Qt:

     0Configure summary
     1=================
     2Executables:
     3  bitcoin ............................. ON
     4  bitcoind ............................ ON
     5  bitcoin-node (multiprocess) ......... OFF
     6  bitcoin-qt (GUI) .................... ON
     7  bitcoin-gui (GUI, multiprocess) ..... OFF
     8  bitcoin-cli ......................... ON
     9  bitcoin-tx .......................... ON
    10  bitcoin-util ........................ ON
    11  bitcoin-wallet ...................... OFF
    12  bitcoin-chainstate (experimental) ... OFF
    13  libbitcoinkernel (experimental) ..... OFF
    14Optional features:
    15  wallet support ...................... OFF
    16  external signer ..................... ON
    17  ZeroMQ .............................. OFF
    18  IPC ................................. OFF
    19  USDT tracing ........................ OFF
    20  QR code (GUI) ....................... ON
    21  DBus (GUI) .......................... ON
    22Tests:
    23  test_bitcoin ........................ ON
    24  test_bitcoin-qt ..................... ON
    25  bench_bitcoin ....................... OFF
    26  fuzz binary ......................... OFF
    27
    28Cross compiling ....................... FALSE
    29C++ compiler .......................... Clang 20.1.8, /nix/store/64bmj9nvp00if8bsbk5w782rd6vji654-ccache-links-wrapper-4.11.3/bin/clang++
    30CMAKE_BUILD_TYPE ...................... RelWithDebInfo
    31Preprocessor defined macros ...........
    32C++ compiler flags .................... -O2 -g -std=c++20 -fPIC -fdebug-prefix-map=/home/will/src/core/bitcoin/src=. -fmacro-prefix-map=/home/will/src/core/bitcoin/src=. -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -Wstack-protector -fstack-protector-all -fcf-protection=full -fstack-clash-protection -Wall -Wextra -Wgnu -Wformat -Wformat-security -Wvla -Wshadow-field -Wthread-safety -Wloop-analysis -Wredundant-decls -Wunused-member-function -Wdate-time -Wconditional-uninitialized -Woverloaded-virtual -Wsuggest-override -Wimplicit-fallthrough -Wunreachable-code -Wdocumentation -Wself-assign -Wundef -Wno-unused-parameter
    33Linker flags .......................... -O2 -g -fstack-protector-all -fcf-protection=full -fstack-clash-protection -Wl,-z,relro -Wl,-z,now -Wl,-z,separate-code -fPIE -pie
    34
    35NOTE: The summary above may not exactly match the final applied build flags
    36      if any additional CMAKE_* or environment variables have been modified.
    37      To see the exact flags applied, build with the --verbose option.
    38
    39Treat compiler warnings as errors ..... OFF
    40Use ccache for compiling .............. ON
    41
    42
    43-- Configuring done (25.2s)
    44-- Generating done (0.1s)
    45-- Build files have been written to: /home/will/src/core/bitcoin/build
    46
    47<snip>
    48
    49[663/663] Linking CXX executable bin/test_bitcoin
    50
    51❯ QT_QPA_PLATFORM=xcb ctest --test-dir build --parallel
    52Internal ctest changing into directory: /home/will/src/core/bitcoin/build
    53Test project /home/will/src/core/bitcoin/build
    54        Start   1: univalue_test
    55        Start   2: univalue_object_test
    56        Start   3: secp256k1_noverify_tests
    57        Start   4: secp256k1_tests
    58        Start   5: secp256k1_exhaustive_tests
    59        Start   6: test_bitcoin-qt
    60        Start   7: addrman_tests
    61        Start   8: allocator_tests
    62        Start   9: amount_tests
    63        Start  10: argsman_tests
    64        Start  11: arith_uint256_tests
    65        Start  12: banman_tests
    66        Start  13: base32_tests
    67        Start  14: base58_tests
    68        Start  15: base64_tests
    69        Start  16: bech32_tests
    70  1/132 Test   [#1](/bitcoin-bitcoin/1/): univalue_test ........................   Passed    0.01 sec
    71  2/132 Test   [#2](/bitcoin-bitcoin/2/): univalue_object_test .................   Passed    0.01 sec
    72        Start  17: bip32_tests
    73        Start  18: bip324_tests
    74  3/132 Test   [#9](/bitcoin-bitcoin/9/): amount_tests .........................   Passed    0.11 sec
    75        Start  19: blockchain_tests
    76  4/132 Test   [#8](/bitcoin-bitcoin/8/): allocator_tests ......................   Passed    0.11 sec
    77        Start  20: blockencodings_tests
    78  5/132 Test  [#11](/bitcoin-bitcoin/11/): arith_uint256_tests ..................   Passed    0.11 sec
    79  6/132 Test  [#12](/bitcoin-bitcoin/12/): banman_tests .........................   Passed    0.11 sec
    80  7/132 Test  [#13](/bitcoin-bitcoin/13/): base32_tests .........................   Passed    0.11 sec
    81        Start  21: blockfilter_index_tests
    82        Start  22: blockfilter_tests
    83        Start  23: blockmanager_tests
    84  8/132 Test  [#15](/bitcoin-bitcoin/15/): base64_tests .........................   Passed    0.11 sec
    85  9/132 Test  [#14](/bitcoin-bitcoin/14/): base58_tests .........................   Passed    0.12 sec
    86 10/132 Test  [#16](/bitcoin-bitcoin/16/): bech32_tests .........................   Passed    0.11 sec
    87        Start  24: bloom_tests
    88        Start  25: bswap_tests
    89        Start  26: caches_tests
    90 11/132 Test  [#17](/bitcoin-bitcoin/17/): bip32_tests ..........................   Passed    0.15 sec
    91        Start  27: chain_tests
    92 12/132 Test  [#22](/bitcoin-bitcoin/22/): blockfilter_tests ....................   Passed    0.11 sec
    93        Start  28: chainstate_write_tests
    94 13/132 Test  [#26](/bitcoin-bitcoin/26/): caches_tests .........................   Passed    0.11 sec
    95        Start  29: checkqueue_tests
    96 14/132 Test  [#25](/bitcoin-bitcoin/25/): bswap_tests ..........................   Passed    0.12 sec
    97        Start  30: cluster_linearize_tests
    98 15/132 Test  [#24](/bitcoin-bitcoin/24/): bloom_tests ..........................   Passed    0.12 sec
    99        Start  31: coins_tests_base
   100 16/132 Test   [#7](/bitcoin-bitcoin/7/): addrman_tests ........................   Passed    0.25 sec
   101        Start  32: coins_tests_dbbase
   102 17/132 Test  [#19](/bitcoin-bitcoin/19/): blockchain_tests .....................   Passed    0.24 sec
   103        Start  33: coins_tests
   104 18/132 Test  [#30](/bitcoin-bitcoin/30/): cluster_linearize_tests ..............   Passed    0.12 sec
   105        Start  34: coinscachepair_tests
   106 19/132 Test  [#28](/bitcoin-bitcoin/28/): chainstate_write_tests ...............   Passed    0.15 sec
   107        Start  35: coinstatsindex_tests
   108 20/132 Test  [#20](/bitcoin-bitcoin/20/): blockencodings_tests .................   Passed    0.28 sec
   109        Start  36: common_url_tests
   110 21/132 Test  [#23](/bitcoin-bitcoin/23/): blockmanager_tests ...................   Passed    0.33 sec
   111        Start  37: compilerbug_tests
   112 22/132 Test  [#34](/bitcoin-bitcoin/34/): coinscachepair_tests .................   Passed    0.11 sec
   113        Start  38: compress_tests
   114 23/132 Test  [#36](/bitcoin-bitcoin/36/): common_url_tests .....................   Passed    0.11 sec
   115        Start  39: crypto_tests
   116 24/132 Test  [#10](/bitcoin-bitcoin/10/): argsman_tests ........................   Passed    0.55 sec
   117        Start  40: cuckoocache_tests
   118 25/132 Test  [#37](/bitcoin-bitcoin/37/): compilerbug_tests ....................   Passed    0.11 sec
   119        Start  41: dbwrapper_tests
   120 26/132 Test  [#21](/bitcoin-bitcoin/21/): blockfilter_index_tests ..............   Passed    0.47 sec
   121        Start  42: denialofservice_tests
   122 27/132 Test  [#18](/bitcoin-bitcoin/18/): bip324_tests .........................   Passed    0.67 sec
   123        Start  43: descriptor_tests
   124 28/132 Test  [#38](/bitcoin-bitcoin/38/): compress_tests .......................   Passed    0.21 sec
   125        Start  44: disconnected_transactions
   126 29/132 Test  [#35](/bitcoin-bitcoin/35/): coinstatsindex_tests .................   Passed    0.36 sec
   127        Start  45: feefrac_tests
   128 30/132 Test  [#42](/bitcoin-bitcoin/42/): denialofservice_tests ................   Passed    0.17 sec
   129        Start  46: flatfile_tests
   130 31/132 Test  [#44](/bitcoin-bitcoin/44/): disconnected_transactions ............   Passed    0.18 sec
   131        Start  47: fs_tests
   132 32/132 Test  [#45](/bitcoin-bitcoin/45/): feefrac_tests ........................   Passed    0.12 sec
   133        Start  48: getarg_tests
   134 33/132 Test  [#46](/bitcoin-bitcoin/46/): flatfile_tests .......................   Passed    0.14 sec
   135        Start  49: hash_tests
   136 34/132 Test  [#47](/bitcoin-bitcoin/47/): fs_tests .............................   Passed    0.12 sec
   137        Start  50: headers_sync_chainwork_tests
   138 35/132 Test  [#48](/bitcoin-bitcoin/48/): getarg_tests .........................   Passed    0.12 sec
   139        Start  51: httpserver_tests
   140 36/132 Test  [#49](/bitcoin-bitcoin/49/): hash_tests ...........................   Passed    0.11 sec
   141        Start  52: i2p_tests
   142 37/132 Test  [#51](/bitcoin-bitcoin/51/): httpserver_tests .....................   Passed    0.12 sec
   143        Start  53: interfaces_tests
   144 38/132 Test  [#41](/bitcoin-bitcoin/41/): dbwrapper_tests ......................   Passed    0.57 sec
   145        Start  54: key_io_tests
   146 39/132 Test  [#52](/bitcoin-bitcoin/52/): i2p_tests ............................   Passed    0.12 sec
   147        Start  55: key_tests
   148 40/132 Test   [#6](/bitcoin-bitcoin/6/): test_bitcoin-qt ......................   Passed    1.17 sec
   149 41/132 Test  [#50](/bitcoin-bitcoin/50/): headers_sync_chainwork_tests .........   Passed    0.18 sec
   150        Start  56: logging_tests
   151        Start  57: mempool_tests
   152 42/132 Test  [#40](/bitcoin-bitcoin/40/): cuckoocache_tests ....................   Passed    0.63 sec
   153        Start  58: merkle_tests
   154 43/132 Test  [#29](/bitcoin-bitcoin/29/): checkqueue_tests .....................   Passed    1.01 sec
   155        Start  59: merkleblock_tests
   156 44/132 Test  [#54](/bitcoin-bitcoin/54/): key_io_tests .........................   Passed    0.13 sec
   157        Start  60: miner_tests
   158 45/132 Test  [#56](/bitcoin-bitcoin/56/): logging_tests ........................   Passed    0.14 sec
   159        Start  61: miniminer_tests
   160 46/132 Test  [#27](/bitcoin-bitcoin/27/): chain_tests ..........................   Passed    1.17 sec
   161        Start  62: miniscript_tests
   162 47/132 Test  [#59](/bitcoin-bitcoin/59/): merkleblock_tests ....................   Passed    0.11 sec
   163        Start  63: minisketch_tests
   164 48/132 Test  [#55](/bitcoin-bitcoin/55/): key_tests ............................   Passed    0.23 sec
   165        Start  64: multisig_tests
   166 49/132 Test  [#57](/bitcoin-bitcoin/57/): mempool_tests ........................   Passed    0.27 sec
   167        Start  65: net_peer_connection_tests
   168 50/132 Test  [#43](/bitcoin-bitcoin/43/): descriptor_tests .....................   Passed    0.81 sec
   169        Start  66: net_peer_eviction_tests
   170 51/132 Test  [#63](/bitcoin-bitcoin/63/): minisketch_tests .....................   Passed    0.15 sec
   171        Start  67: net_tests
   172 52/132 Test  [#64](/bitcoin-bitcoin/64/): multisig_tests .......................   Passed    0.13 sec
   173        Start  68: netbase_tests
   174 53/132 Test  [#58](/bitcoin-bitcoin/58/): merkle_tests .........................   Passed    0.40 sec
   175        Start  69: node_init_tests
   176 54/132 Test  [#65](/bitcoin-bitcoin/65/): net_peer_connection_tests ............   Passed    0.16 sec
   177        Start  70: node_warnings_tests
   178 55/132 Test  [#53](/bitcoin-bitcoin/53/): interfaces_tests .....................   Passed    0.54 sec
   179        Start  71: orphanage_tests
   180 56/132 Test  [#66](/bitcoin-bitcoin/66/): net_peer_eviction_tests ..............   Passed    0.20 sec
   181 57/132 Test  [#68](/bitcoin-bitcoin/68/): netbase_tests ........................   Passed    0.16 sec
   182        Start  72: pcp_tests
   183        Start  73: peerman_tests
   184 58/132 Test  [#70](/bitcoin-bitcoin/70/): node_warnings_tests ..................   Passed    0.12 sec
   185        Start  74: pmt_tests
   186 59/132 Test  [#39](/bitcoin-bitcoin/39/): crypto_tests .........................   Passed    1.27 sec
   187 60/132 Test  [#61](/bitcoin-bitcoin/61/): miniminer_tests ......................   Passed    0.47 sec
   188        Start  75: policy_fee_tests
   189        Start  76: policyestimator_tests
   190 61/132 Test  [#72](/bitcoin-bitcoin/72/): pcp_tests ............................   Passed    0.13 sec
   191        Start  77: pool_tests
   192 62/132 Test  [#73](/bitcoin-bitcoin/73/): peerman_tests ........................   Passed    0.14 sec
   193        Start  78: pow_tests
   194 63/132 Test  [#69](/bitcoin-bitcoin/69/): node_init_tests ......................   Passed    0.28 sec
   195        Start  79: prevector_tests
   196 64/132 Test  [#74](/bitcoin-bitcoin/74/): pmt_tests ............................   Passed    0.18 sec
   197        Start  80: raii_event_tests
   198 65/132 Test  [#75](/bitcoin-bitcoin/75/): policy_fee_tests .....................   Passed    0.12 sec
   199        Start  81: random_tests
   200 66/132 Test  [#77](/bitcoin-bitcoin/77/): pool_tests ...........................   Passed    0.12 sec
   201        Start  82: rbf_tests
   202 67/132 Test  [#78](/bitcoin-bitcoin/78/): pow_tests ............................   Passed    0.13 sec
   203        Start  83: rest_tests
   204 68/132 Test  [#71](/bitcoin-bitcoin/71/): orphanage_tests ......................   Passed    0.29 sec
   205        Start  84: result_tests
   206 69/132 Test  [#33](/bitcoin-bitcoin/33/): coins_tests ..........................   Passed    1.66 sec
   207        Start  85: reverselock_tests
   208 70/132 Test  [#80](/bitcoin-bitcoin/80/): raii_event_tests .....................   Passed    0.12 sec
   209        Start  86: rpc_tests
   210 71/132 Test  [#83](/bitcoin-bitcoin/83/): rest_tests ...........................   Passed    0.11 sec
   211        Start  87: sanity_tests
   212 72/132 Test  [#84](/bitcoin-bitcoin/84/): result_tests .........................   Passed    0.11 sec
   213        Start  88: scheduler_tests
   214 73/132 Test  [#85](/bitcoin-bitcoin/85/): reverselock_tests ....................   Passed    0.12 sec
   215        Start  89: script_assets_tests
   216 74/132 Test  [#79](/bitcoin-bitcoin/79/): prevector_tests ......................   Passed    0.31 sec
   217        Start  90: script_p2sh_tests
   218 75/132 Test  [#87](/bitcoin-bitcoin/87/): sanity_tests .........................   Passed    0.12 sec
   219        Start  91: script_parse_tests
   220 76/132 Test  [#88](/bitcoin-bitcoin/88/): scheduler_tests ......................   Passed    0.13 sec
   221        Start  92: script_segwit_tests
   222 77/132 Test  [#89](/bitcoin-bitcoin/89/): script_assets_tests ..................***Skipped   0.12 sec
   223        Start  93: script_standard_tests
   224 78/132 Test  [#82](/bitcoin-bitcoin/82/): rbf_tests ............................   Passed    0.37 sec
   225 79/132 Test  [#91](/bitcoin-bitcoin/91/): script_parse_tests ...................   Passed    0.13 sec
   226        Start  94: script_tests
   227        Start  95: scriptnum_tests
   228 80/132 Test  [#31](/bitcoin-bitcoin/31/): coins_tests_base .....................   Passed    2.09 sec
   229 81/132 Test  [#90](/bitcoin-bitcoin/90/): script_p2sh_tests ....................   Passed    0.15 sec
   230        Start  96: serfloat_tests
   231        Start  97: serialize_tests
   232 82/132 Test  [#92](/bitcoin-bitcoin/92/): script_segwit_tests ..................   Passed    0.12 sec
   233        Start  98: settings_tests
   234 83/132 Test  [#93](/bitcoin-bitcoin/93/): script_standard_tests ................   Passed    0.13 sec
   235        Start  99: sighash_tests
   236 84/132 Test  [#95](/bitcoin-bitcoin/95/): scriptnum_tests ......................   Passed    0.13 sec
   237        Start 100: sigopcount_tests
   238 85/132 Test  [#98](/bitcoin-bitcoin/98/): settings_tests .......................   Passed    0.12 sec
   239        Start 101: skiplist_tests
   240 86/132 Test  [#97](/bitcoin-bitcoin/97/): serialize_tests ......................   Passed    0.17 sec
   241        Start 102: sock_tests
   242 87/132 Test  [#62](/bitcoin-bitcoin/62/): miniscript_tests .....................   Passed    1.18 sec
   243        Start 103: span_tests
   244 88/132 Test  [#86](/bitcoin-bitcoin/86/): rpc_tests ............................   Passed    0.51 sec
   245        Start 104: streams_tests
   246 89/132 Test [#100](/bitcoin-bitcoin/100/): sigopcount_tests .....................   Passed    0.12 sec
   247        Start 105: sync_tests
   248 90/132 Test [#102](/bitcoin-bitcoin/102/): sock_tests ...........................   Passed    0.13 sec
   249        Start 106: system_ram_tests
   250 91/132 Test [#103](/bitcoin-bitcoin/103/): span_tests ...........................   Passed    0.13 sec
   251        Start 107: system_tests
   252 92/132 Test  [#99](/bitcoin-bitcoin/99/): sighash_tests ........................   Passed    0.31 sec
   253        Start 108: testnet4_miner_tests
   254 93/132 Test [#104](/bitcoin-bitcoin/104/): streams_tests ........................   Passed    0.15 sec
   255        Start 109: timeoffsets_tests
   256 94/132 Test [#105](/bitcoin-bitcoin/105/): sync_tests ...........................   Passed    0.13 sec
   257        Start 110: torcontrol_tests
   258 95/132 Test  [#96](/bitcoin-bitcoin/96/): serfloat_tests .......................   Passed    0.41 sec
   259        Start 111: transaction_tests
   260 96/132 Test [#106](/bitcoin-bitcoin/106/): system_ram_tests .....................   Passed    0.12 sec
   261        Start 112: translation_tests
   262 97/132 Test [#107](/bitcoin-bitcoin/107/): system_tests .........................   Passed    0.15 sec
   263        Start 113: txdownload_tests
   264 98/132 Test [#109](/bitcoin-bitcoin/109/): timeoffsets_tests ....................   Passed    0.12 sec
   265        Start 114: txgraph_tests
   266 99/132 Test [#110](/bitcoin-bitcoin/110/): torcontrol_tests .....................   Passed    0.12 sec
   267        Start 115: txindex_tests
   268100/132 Test [#108](/bitcoin-bitcoin/108/): testnet4_miner_tests .................   Passed    0.16 sec
   269        Start 116: txpackage_tests
   270101/132 Test [#112](/bitcoin-bitcoin/112/): translation_tests ....................   Passed    0.11 sec
   271        Start 117: txreconciliation_tests
   272102/132 Test [#101](/bitcoin-bitcoin/101/): skiplist_tests .......................   Passed    0.40 sec
   273        Start 118: txrequest_tests
   274103/132 Test [#117](/bitcoin-bitcoin/117/): txreconciliation_tests ...............   Passed    0.12 sec
   275        Start 119: txvalidation_tests
   276104/132 Test  [#76](/bitcoin-bitcoin/76/): policyestimator_tests ................   Passed    1.19 sec
   277        Start 120: txvalidationcache_tests
   278105/132 Test [#115](/bitcoin-bitcoin/115/): txindex_tests ........................   Passed    0.29 sec
   279        Start 121: uint256_tests
   280106/132 Test [#113](/bitcoin-bitcoin/113/): txdownload_tests .....................   Passed    0.37 sec
   281        Start 122: util_string_tests
   282107/132 Test [#119](/bitcoin-bitcoin/119/): txvalidation_tests ...................   Passed    0.24 sec
   283        Start 123: util_tests
   284108/132 Test [#121](/bitcoin-bitcoin/121/): uint256_tests ........................   Passed    0.11 sec
   285        Start 124: util_threadnames_tests
   286109/132 Test [#122](/bitcoin-bitcoin/122/): util_string_tests ....................   Passed    0.11 sec
   287        Start 125: util_trace_tests
   288110/132 Test  [#67](/bitcoin-bitcoin/67/): net_tests ............................   Passed    1.84 sec
   289        Start 126: validation_block_tests
   290111/132 Test [#124](/bitcoin-bitcoin/124/): util_threadnames_tests ...............   Passed    0.12 sec
   291        Start 127: validation_chainstate_tests
   292112/132 Test [#114](/bitcoin-bitcoin/114/): txgraph_tests ........................   Passed    0.55 sec
   293        Start 128: validation_chainstatemanager_tests
   294113/132 Test [#123](/bitcoin-bitcoin/123/): util_tests ...........................   Passed    0.14 sec
   295        Start 129: validation_flush_tests
   296114/132 Test [#125](/bitcoin-bitcoin/125/): util_trace_tests .....................   Passed    0.12 sec
   297        Start 130: validation_tests
   298115/132 Test [#116](/bitcoin-bitcoin/116/): txpackage_tests ......................   Passed    0.64 sec
   299        Start 131: validationinterface_tests
   300116/132 Test [#130](/bitcoin-bitcoin/130/): validation_tests .....................   Passed    0.19 sec
   301        Start 132: versionbits_tests
   302117/132 Test [#129](/bitcoin-bitcoin/129/): validation_flush_tests ...............   Passed    0.25 sec
   303118/132 Test [#127](/bitcoin-bitcoin/127/): validation_chainstate_tests ..........   Passed    0.31 sec
   304119/132 Test [#131](/bitcoin-bitcoin/131/): validationinterface_tests ............   Passed    0.17 sec
   305120/132 Test [#120](/bitcoin-bitcoin/120/): txvalidationcache_tests ..............   Passed    0.71 sec
   306121/132 Test [#126](/bitcoin-bitcoin/126/): validation_block_tests ...............   Passed    0.68 sec
   307122/132 Test [#132](/bitcoin-bitcoin/132/): versionbits_tests ....................   Passed    0.47 sec
   308123/132 Test  [#60](/bitcoin-bitcoin/60/): miner_tests ..........................   Passed    2.80 sec
   309124/132 Test [#118](/bitcoin-bitcoin/118/): txrequest_tests ......................   Passed    1.23 sec
   310125/132 Test  [#94](/bitcoin-bitcoin/94/): script_tests .........................   Passed    1.96 sec
   311126/132 Test  [#81](/bitcoin-bitcoin/81/): random_tests .........................   Passed    2.74 sec
   312127/132 Test  [#32](/bitcoin-bitcoin/32/): coins_tests_dbbase ...................   Passed    4.66 sec
   313128/132 Test [#111](/bitcoin-bitcoin/111/): transaction_tests ....................   Passed    2.18 sec
   314129/132 Test [#128](/bitcoin-bitcoin/128/): validation_chainstatemanager_tests ...   Passed    2.91 sec
   315130/132 Test   [#5](/bitcoin-bitcoin/5/): secp256k1_exhaustive_tests ...........   Passed    7.58 sec
   316131/132 Test   [#3](/bitcoin-bitcoin/3/): secp256k1_noverify_tests .............   Passed   14.42 sec
   317132/132 Test   [#4](/bitcoin-bitcoin/4/): secp256k1_tests ......................   Passed   29.73 sec
   318
   319100% tests passed, 0 tests failed out of 132
   320
   321Total Test time (real) =  29.74 sec
   322
   323The following tests did not run:
   324         89 - script_assets_tests (Skipped)
   325</details>
   

3. maflcko added the label Upstream on Oct 15, 2025
4. 
   maflcko commented at 10:46 am on October 15, 2025: member

   I think this is fixed with GCC 15.2.0), ubuntu 25.10. I wouldn’t recommend using lto with gcc-13:

   • https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105469
   • https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113359
   • …
5. maflcko added the label Bug on Oct 15, 2025
6. maflcko added the label Build system on Oct 15, 2025

Contributors
fanquake willcl-ark maflcko

Labels
Bug Build system Upstream