<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><span class=""><br class=""><blockquote type="cite" class="">On Jun 25, 2018, at 1:53 PM, Vedant Kumar <<a href="mailto:vsk@apple.com" class="">vsk@apple.com</a>> wrote:<br class=""><br class=""><br class=""><br class=""><blockquote type="cite" style="font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">On Jun 25, 2018, at 1:46 PM, Nico Weber via Phabricator <<a href="mailto:reviews@reviews.llvm.org" class="">reviews@reviews.llvm.org</a>> wrote:<br class=""><br class="">thakis added inline comments.<br class=""><br class=""><br class="">================<br class="">Comment at: test/ubsan/TestCases/Misc/monitor.cpp:2<br class="">+// RUN: %clangxx -w -fsanitize=bool %s -o %t<br class="">+// RUN: %run %t 2>&1 | FileCheck %s<br class="">+<br class="">----------------<br class="">This test fails on Windows: <a href="https://logs.chromium.org/v/?s=chromium%2Fbb%2Ftryserver.chromium.win%2Fwin_upload_clang%2F361%2F%2B%2Frecipes%2Fsteps%2Fpackage_clang%2F0%2Fstdout" class="">https://logs.chromium.org/v/?s=chromium%2Fbb%2Ftryserver.chromium.win%2Fwin_upload_clang%2F361%2F%2B%2Frecipes%2Fsteps%2Fpackage_clang%2F0%2Fstdout</a><br class=""><br class="">```<br class="">$ ":" "RUN: at line 1"<br class="">$ "C:/b/rr/tmpnnvph5/w/src/third_party/llvm-bootstrap/./bin/clang.exe" "-w" "-fsanitize=bool" "C:\b\rr\tmpnnvph5\w\src\third_party\llvm\projects\compiler-rt\test\ubsan\TestCases\Misc\monitor.cpp" "-o" "C:\b\rr\tmpnnvph5\w\src\third_party\llvm-bootstrap\projects\compiler-rt\test\ubsan\Standalone-x86_64\TestCases\Misc\Output\monitor.cpp.tmp"<br class=""># command output:<br class="">clang_rt.ubsan_standalone-x86_64.lib(ubsan_monitor.cc.obj) : error LNK2005: __ubsan_on_report already defined in monitor-c1dd53.o<br class=""></blockquote><br class="">__ubsan_on_report might need to be marked weak & handled that way in order for this test to work on Windows. Marking the test unsupported on Windows sounds fine to me -- I'll do that now. I don't know of any simple alternatives.<br class=""></blockquote><br class="">I added the test suppression in r335523.</span><div class=""><span class=""><br class=""></span><span class="">vedant<br class=""></span><span class=""><br class=""></span><div><blockquote type="cite" class=""><div class=""><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><blockquote type="cite" style="font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""> Creating library C:\b\rr\tmpnnvph5\w\src\third_party\llvm-bootstrap\projects\compiler-rt\test\ubsan\Standalone-x86_64\TestCases\Misc\Output\monitor.cpp.lib and object C:\b\rr\tmpnnvph5\w\src\third_party\llvm-bootstrap\projects\compiler-rt\test\ubsan\Standalone-x86_64\TestCases\Misc\Output\monitor.cpp.exp<br class="">monitor-c1dd53.o : warning LNK4217: locally defined symbol __std_terminate imported in function "int `public: static unsigned __int64 __cdecl std::char_traits<char>::length(char const * const)'::`1'::dtor$2" (?dtor$2@?0??length@?$char_traits@D@std@@SA_KQEBD@Z@4HA)<br class="">monitor-c1dd53.o : warning LNK4217: locally defined symbol _CxxThrowException imported in function "public: void __cdecl std::ios_base::clear(int,bool)" (?clear@ios_base@std@@QEAAXH_N@Z)<br class="">C:\b\rr\tmpnnvph5\w\src\third_party\llvm-bootstrap\projects\compiler-rt\test\ubsan\Standalone-x86_64\TestCases\Misc\Output\monitor.cpp.tmp : fatal error LNK1169: one or more multiply defined symbols found<br class=""># command stderr:<br class="">clang.exe: error: linker command failed with exit code 1169 (use -v to see invocation)<br class="">```<br class=""><br class="">I'll note that no other ubsan test includes iostream. clang tests at least try to not use system headers; I'm guessing this is probably true for compiler-rt tests as well?<br class=""></blockquote><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">The use of iostream hasn't caused problems yet. As at least the libfuzzer and the xray tests also use iostream, I'd rather not remove the usage.</span><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">vedant</span><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><blockquote type="cite" style="font-family: Menlo-Regular; font-size: 11px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="">If there's no quick fix, please revert while investigating to get the build back to green for now.<br class=""><br class="">(That bot uses msvc2017; the llvm buildbot bots maybe use something older.)<br class=""><br class=""><br class="">Repository:<br class="">rCRT Compiler Runtime<br class=""><br class=""><a href="https://reviews.llvm.org/D48446" class="">https://reviews.llvm.org/D48446</a></blockquote></div></blockquote></div><br class=""></div></body></html>