Bug#950900: llvm-toolchain-10: FTBFS on s390x invalid instructions

[Dimitri John Ledkov]

Package: llvm-toolchain-10
Severity: important

Dear Maintainer,

llvm-toolchain-10 ftbfs on s390x with

fatal error: error in backend: Not supported instr: <MCInst 421 <MCOperand Reg:187> <MCOperand Reg:139>>
make[8]: *** [lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/build.make:326: lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ISelLowering.cpp.o] Error 70
make[8]: Leaving directory '/<<BUILDDIR>>/llvm-toolchain-10-10.0.0~+rc1/build-llvm/tools/clang/stage2-bins'
make[7]: *** [CMakeFiles/Makefile2:30692: lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/all] Error 2
make[7]: *** Waiting for unfinished jobs....


Please note that normally on Ubuntu Focal we default to -march=z13 and
we do build on z13 instructions capable mainframe.

Full build log at https://launchpad.net/ubuntu/+source/llvm-toolchain-10/1:10.0.0~+rc1-1~exp1/+build/18674202/+files/buildlog_ubuntu-focal-s390x.llvm-toolchain-10_1%3A10.0.0~+rc1-1~exp1_BUILDING.txt.gz

Regards,

Dimitr.