Bug#978113: clang++ fail to compile programs

[Nicholas Guriev]

Package: clang-11
Version: 1:11.0.1~+rc2-1
Severity: important

Dear Maintainer,

Clang++ can not operate on s380x and does not compile any C++ program.

   (chrooted)builder at barberry:/$ cat /proc/7194/root/tmp/tmp.HyrpKIxl0I/main.cpp
   int main()
   {
     return 0;
   }
   (chrooted)builder at barberry:/$ clang++-11 -v /proc/7194/root/tmp/tmp.HyrpKIxl0I/main.cpp -o /dev/null
   Debian clang version 11.0.1-+rc2-1
   Target: s390x-ibm-linux-gnu
   Thread model: posix
   InstalledDir: /usr/bin
   Found candidate GCC installation: /usr/bin/../lib/gcc/s390x-linux-gnu/10
   Found candidate GCC installation: /usr/bin/../lib/gcc/s390x-linux-gnu/8
   Found candidate GCC installation: /usr/bin/../lib/gcc/s390x-linux-gnu/9
   Found candidate GCC installation: /usr/lib/gcc/s390x-linux-gnu/10
   Found candidate GCC installation: /usr/lib/gcc/s390x-linux-gnu/8
   Found candidate GCC installation: /usr/lib/gcc/s390x-linux-gnu/9
   Selected GCC installation: /usr/bin/../lib/gcc/s390x-linux-gnu/10
   Candidate multilib: .;@m64
   Selected multilib: .;@m64
    "/usr/bin/ld" --hash-style=both --build-id --eh-frame-hdr -m elf64_s390 -dynamic-linker /lib/ld64.so.1 -o /dev/null /usr/bin/../lib/gcc/s390x-linux-gnu/10/../../../s390x-linux-gnu/crt1.o /usr/bin/../lib/gcc/s390x-linux-gnu/10/../../../s390x-linux-gnu/crti.o /usr/bin/../lib/gcc/s390x-linux-gnu/10/crtbegin.o -L/usr/bin/../lib/gcc/s390x-linux-gnu/10 -L/usr/bin/../lib/gcc/s390x-linux-gnu/10/../../../s390x-linux-gnu -L/lib/s390x-linux-gnu -L/usr/lib/s390x-linux-gnu -L/usr/bin/../lib/gcc/s390x-linux-gnu/10/../../.. -L/usr/lib/llvm-11/bin/../lib -L/lib -L/usr/lib /proc/7194/root/tmp/tmp.HyrpKIxl0I/main.cpp -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/bin/../lib/gcc/s390x-linux-gnu/10/crtend.o /usr/bin/../lib/gcc/s390x-linux-gnu/10/../../../s390x-linux-gnu/crtn.o
   /usr/bin/ld:/proc/7194/root/tmp/tmp.HyrpKIxl0I/main.cpp: file format not recognized; treating as linker script
   /usr/bin/ld:/proc/7194/root/tmp/tmp.HyrpKIxl0I/main.cpp:1: syntax error
   clang: error: linker command failed with exit code 1 (use -v to see invocation)


It is expected the later command succeeds and returns 0 status just like
on amd64 architecture.


-- Dependencies information:

Versions of packages clang-11 depends on:

ii  binutils               2.35.1-6
ii  libc6:s390x            2.31-6
ii  libc6-dev:s390x        2.31-6
ii  libclang-common-11-dev 1:11.0.1~+rc2-1
ii  libclang-cpp11         1:11.0.1~+rc2-1
ii  libclang1-11           1:11.0.1~+rc2-1
ii  libgcc-10-dev:s390x    10.2.1-3
ii  libgcc-s1:s390x        10.2.1-3
ii  libllvm11:s390x        1:11.0.1~+rc2-1
ii  libobjc-10-dev:s390x   10.2.1-3
ii  libstdc++-10-dev:s390x 10.2.1-3
ii  libstdc++6:s390x       10.2.1-3

Versions of packages clang-11 recommends:

un  libomp-11-dev  <none>
un  llvm-11-dev    <none>
un  python3        <none>

Versions of packages clang-11 suggests:

un  clang-11-doc   <none>

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