[llvm-bugs] [Bug 50371] New: Clang crashes on xds_cluster_resolver.cc from grpc project on Windows for Release builds

Mon May 17 03:21:51 PDT 2021

https://bugs.llvm.org/show_bug.cgi?id=50371

            Bug ID: 50371
           Summary: Clang crashes on xds_cluster_resolver.cc from grpc
                    project on Windows for Release builds
           Product: clang
           Version: 10.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: wwallhaeuser at starface.de
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

Clang crashes when compiling xds_cluster_resolver.cc from grpc project.

The crash occurs for release builds, not for debug builds. The crash is
reproducible when compiling via command line. I did not observe the crash when
building with CLion + clang.

Build description and sample project on github:
https://github.com/4vomAst/gRPC-clang.git

Stack dump:
0.      Program arguments: C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE
-I../3rdParty/grpc/include
-I../3rdParty/grpc/third_party/address_sorting/include -I../3rdParty/grpc
-I../3rdParty/grpc/third_party/abseil-cpp
-I../3rdParty/grpc/src/core/ext/upb-generated
-I../3rdParty/grpc/third_party/upb -I../3rdParty/grpc/third_party/re2
-I../3rdParty/grpc/third_party/boringssl-with-bazel/src/include -m32 -O3
-DNDEBUG -D_DLL -D_MT -Xclang --dependent-lib=msvcrt -std=gnu++17 -MD -MT
CMakeFiles/grpc.dir/3rdParty/grpc/src/core/ext/filters/client_channel/lb_policy/xds/xds_cluster_resolver.cc.obj
-MF
CMakeFiles\grpc.dir\3rdParty\grpc\src\core\ext\filters\client_channel\lb_policy\xds\xds_cluster_resolver.cc.obj.d
-o
CMakeFiles/grpc.dir/3rdParty/grpc/src/core/ext/filters/client_channel/lb_policy/xds/xds_cluster_resolver.cc.obj
-c
../3rdParty/grpc/src/core/ext/filters/client_channel/lb_policy/xds/xds_cluster_resolver.cc
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'../3rdParty/grpc/src/core/ext/filters/client_channel/lb_policy/xds/xds_cluster_resolver.cc'.
4.      Running pass 'Loop Pass Manager' on function
'@"??$Insert at V?$IteratorValueAdapter at V?$allocator at UPriority@EdsUpdate at XdsApi@grpc_core@@@std@@PAUPriority at EdsUpdate@XdsApi at grpc_core@@@inlined_vector_internal at lts_2020_09_23@absl@@@?$Storage at UPriority@EdsUpdate at XdsApi@grpc_core@@$01V?$allocator at UPriority@EdsUpdate at XdsApi@grpc_core@@@std@@@inlined_vector_internal at lts_2020_09_23@absl@@QAEPAUPriority at EdsUpdate@XdsApi at grpc_core@@PBU4567 at V?$IteratorValueAdapter at V?$allocator at UPriority@EdsUpdate at XdsApi@grpc_core@@@std@@PAUPriority at EdsUpdate@XdsApi at grpc_core@@@123 at I@Z"'
5.      Running pass 'Loop Strength Reduction' on basic block '%166'
 #0 0x00007ff69e40ae51 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x11cae51)
 #1 0x00007ff69d28f005 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x4f005)
 #2 0x00007ff69e7b4196 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1574196)
 #3 0x00007ff69e7a1d6e (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1561d6e)
 #4 0x00007ff69e798525 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1558525)
 #5 0x00007ff69e7b50de (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x15750de)
 #6 0x00007ff69e0fc8f3 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0xebc8f3)
 #7 0x00007ff69e3d8b49 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1198b49)
 #8 0x00007ff69e3d8e03 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1198e03)
 #9 0x00007ff69e3d9310 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1199310)
#10 0x00007ff69eb21cb3 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x18e1cb3)
#11 0x00007ff6a08eb935 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x36ab935)
#12 0x00007ff69fac98a3 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x28898a3)
#13 0x00007ff69efedb02 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1dadb02)
#14 0x00007ff69efb0bc0 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1d70bc0)
#15 0x00007ff69f048ca9 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1e08ca9)
#16 0x00007ff69d246ebf (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x6ebf)
#17 0x00007ff69d244337 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x4337)
#18 0x00007ff69ef4d7c6 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1d0d7c6)
#19 0x00007ff69e8f6d33 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x16b6d33)
#20 0x00007ff69ef4d00b (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1d0d00b)
#21 0x00007ff69ee711d8 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1c311d8)
#22 0x00007ff69ee716d4 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1c316d4)
#23 0x00007ff69ee5f357 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x1c1f357)
#24 0x00007ff69d243c93 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x3c93)
#25 0x00007ff6a09074a0 (C:\PROGRA~1\LLVM\bin\CLANG_~1.EXE+0x36c74a0)
#26 0x00007ffd4b1b7c24 (C:\Windows\System32\KERNEL32.DLL+0x17c24)
#27 0x00007ffd4b30d721 (C:\Windows\SYSTEM32\ntdll.dll+0x6d721)
CLANG_~1: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 10.0.0
Target: i386-pc-windows-msvc
Thread model: posix
InstalledDir: C:\PROGRA~1\LLVM\bin
CLANG_~1: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.llvm.org/ and include the crash backtrace, preprocessed source,
and associated run script.
CLANG_~1: note: diagnostic msg:
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
CLANG_~1: note: diagnostic msg:
C:\Users\WWALLH~1\AppData\Local\Temp\xds_cluster_resolver-cc2994.cpp
CLANG_~1: note: diagnostic msg:
C:\Users\WWALLH~1\AppData\Local\Temp\xds_cluster_resolver-cc2994.sh
CLANG_~1: note: diagnostic msg:

********************

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