175706 2017-08-17 20:27:25 -0700 [Win] TestWebKitAPI/Tests/WTF/PriorityQueue.cpp: error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' 2017-09-05 23:31:50 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 176442 P2 Normal --- 1 fujii webkit-unassigned don.olmstead lforschler pvollan ysuzuki oldest_to_newest 1339930 0 fujii 2017-08-17 20:27:25 -0700 I see the following compilation error in my env. WinCairo port, trunk@220897, Debug build, VS2015 update 3 > ------ Build started: Project: TestWTFLib, Configuration: Debug x64 ------ > PriorityQueue.cpp > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(59): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(59): note: There is no context in which this conversion is possible > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(79): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(79): note: There is no context in which this conversion is possible > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(109): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(109): note: There is no context in which this conversion is possible > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(126): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(126): note: There is no context in which this conversion is possible > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(152): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(152): note: There is no context in which this conversion is possible > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(178): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const unsigned int &,const unsigned int &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(178): note: There is no context in which this conversion is possible > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(210): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'bool (__cdecl *)(const uint64_t &,const uint64_t &)' > C:\webkit\ga\Tools\TestWebKitAPI\Tests\WTF\PriorityQueue.cpp(210): note: There is no context in which this conversion is possible > ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== VS2017 seems fine because BuildBots are green. 1339965 1 fujii 2017-08-17 22:06:35 -0700 AppleWin BuildBots are using VS2015. It happens only in my env? 1340397 2 ysuzuki 2017-08-19 09:06:40 -0700 (In reply to Fujii Hironori from comment #1) > AppleWin BuildBots are using VS2015. > It happens only in my env? According to the buildbot, AppleWin buildbots use VS2015 and compiles them fine... Hmmm. 1340416 3 don.olmstead 2017-08-19 13:32:17 -0700 (In reply to Yusuke Suzuki from comment #2) > (In reply to Fujii Hironori from comment #1) > > AppleWin BuildBots are using VS2015. > > It happens only in my env? > > According to the buildbot, AppleWin buildbots use VS2015 and compiles them > fine... Hmmm. I've seen this as well with WinCairo being built on VS2015. The buildbot is 2017 and it seemed like we were close to dropping 2015 so I didn't attempt a fix. 1340521 4 318614 fujii 2017-08-20 22:14:47 -0700 Created attachment 318614 simple test case > C:\home\fujii\tmp>cl a.cpp > Microsoft (R) C/C++ Optimizing Compiler Version 19.00.24215.1 for x64 > Copyright (C) Microsoft Corporation. All rights reserved. > > a.cpp > a.cpp(15): error C2440: 'specialization': cannot convert from 'unknown-type *' to 'void (__cdecl *)(int)' > a.cpp(15): note: There is no context in which this conversion is possible > > C:\home\fujii\tmp> 1340803 5 fujii 2017-08-21 16:09:05 -0700 AppleWin BuildBot is using older version of MSVC than mine. I don't know this is relevant. https://build.webkit.org/builders/Apple%20Win%20Release%20%28Build%29/builds/3735/steps/compile-webkit/logs/stdio/text > -- Building for: Visual Studio 14 2015 > -- The C compiler identification is MSVC 19.0.23918.0 > -- The CXX compiler identification is MSVC 19.0.23918.0 1345827 6 fujii 2017-09-05 23:31:50 -0700 *** This bug has been marked as a duplicate of bug 176442 *** 318614 2017-08-20 22:14:47 -0700 2017-08-20 22:14:47 -0700 simple test case a.cpp text/plain 208 fujii CnRlbXBsYXRlPHR5cGVuYW1lIFQ+CmlubGluZSBjb25zdGV4cHIgdm9pZCB4eXooVCkKewp9Cgp0 ZW1wbGF0ZTx0eXBlbmFtZSBULCB2b2lkICgqZnVuYykoVCkgPSAmeHl6PFQ+PgpzdHJ1Y3QgRm9v IHsKCXZvaWQgdGVzdCgpIHsgVCB0ID0gMDsgZnVuYyh0KTsgfQp9OwoKaW50Cm1haW4oKQp7CglG b288aW50PiBmMTsKCWYxLnRlc3QoKTsKCXJldHVybiAwOwp9Cg==