Bug#1005871: clang-13: compiler error on armel

[Timo Röhling]

Package: clang-13
Version: 1:13.0.1-3
Severity: important
Tags: ftbfs
Control: affects -1 src:filament


Dear maintainer,

building filament on armel triggers the following compiler error:

     fatal error: error in backend: Cannot select: intrinsic %llvm.arm.hint
     PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
     Stack dump:
     0.      Program arguments: /usr/bin/clang++ -g -O2 -ffile-prefix-map=/build/filament-1.9.25+dfsg2=. -fstack-protector-strong -Wformat -Werror=format-security -latomic -Wdate-time -std=c++17 -fstrict-aliasing -Wno-unknown-pragmas -Wno-unused-function -fPIC -fPIC -std=gnu++17 -Wl,--no-as-needed -Wl,--as-needed -DFILAMENT_SUPPORTS_XCB -DFILAMENT_SUPPORTS_XLIB -Dutils_EXPORTS -I/build/filament-1.9.25+dfsg2/libs/utils/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -c -MD -MT libs/utils/CMakeFiles/utils.dir/src/JobSystem.cpp.o -MF CMakeFiles/utils.dir/src/JobSystem.cpp.o.d -fcolor-diagnostics -o CMakeFiles/utils.dir/src/JobSystem.cpp.o /build/filament-1.9.25+dfsg2/libs/utils/src/JobSystem.cpp
     1.      <eof> parser at end of file
     2.      Code generation
     3.      Running pass 'Function Pass Manager' on module '/build/filament-1.9.25+dfsg2/libs/utils/src/JobSystem.cpp'.
     4.      Running pass 'ARM Instruction Selection' on function '@_ZN5utils9JobSystem4loopEPNS0_11ThreadStateE'
     clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
     Debian clang version 13.0.1-3
     Target: arm-unknown-linux-gnueabi
     Thread model: posix
     InstalledDir: /usr/bin
     clang: note: diagnostic msg:
     ********************
     
     PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
     Preprocessed source(s) and associated run script(s) are located at:
     clang: note: diagnostic msg: /tmp/JobSystem-c6a685.cpp
     clang: note: diagnostic msg: /tmp/JobSystem-c6a685.sh
     clang: note: diagnostic msg:
     
     ********************


Cheers
Timo

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⣾⠁⢠⠒⠀⣿⡁   │ Timo Röhling                                       │
⢿⡄⠘⠷⠚⠋⠀   │ 9B03 EBB9 8300 DF97 C2B1  23BF CC8C 6BDD 1403 F4CA │
⠈⠳⣄⠀⠀⠀⠀   ╰────────────────────────────────────────────────────╯
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