make: crystal: Command not found
Using /usr/lib/llvm8/bin/llvm-config [version=8.0.1]
./bin/crystal build --verbose --target aarch64-alpine-linux-musl  -D preview_overflow -D compiler_rt --progress --threads 16 --link-flags="-Wl,--as-needed"  -o .build/all_spec spec/all_spec.cr
Using compiled compiler at `.build/crystal'
Invalid memory access (signal 11) at address 0x20
[0xaaaf3116ed4c] ???
[0xaaaf310e75f8] __crystal_sigfault_handler +124
[0xfff0f15342a8] __setjmp +56
[0xfff0ef1248ac] _ZN4llvm12getOpcodeDefEjjRKNS_19MachineRegisterInfoE +36
[0xfff0ef11131c] ???
[0xfff0ef112488] ???
[0xfff0ef112550] ???
[0xfff0ef112e14] ???
[0xfff0eee9c678] ???
[0xfff0eeda99c0] _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE +364
[0xfff0eeda9b48] _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE +56
[0xfff0eeda9ffc] _ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE +512
[0xfff0ef7af808] ???
[0xfff0ef7af91c] LLVMTargetMachineEmitToFile +232
[0xaaaf30e69e44] ???
[0xaaaf30e6a7f8] ???
[0xaaaf30cae150] ???
[0x0] ???
Invalid memory access (signal 11) at address 0x20
[0xaaaf3116ed4c] ???
[0xaaaf310e75f8] __crystal_sigfault_handler +124
[0xfff0f15342a8] __setjmp +56
[0xfff0ef1248ac] _ZN4llvm12getOpcodeDefEjjRKNS_19MachineRegisterInfoE +36
[0xfff0ef11131c] ???
[0xfff0ef112488] ???
[0xfff0ef112550] ???
[0xfff0ef112e14] ???
[0xfff0eee9c678] ???
[0xfff0eeda99c0] _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE +364
[0xfff0eeda9b48] _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE +56
[0xfff0eeda9ffc] _ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE +512
[0xfff0ef7af808] ???
[0xfff0ef7af91c] LLVMTargetMachineEmitToFile +232
[0xaaaf30e69e44] ???
[0xaaaf30e6a7f8] ???
[0xaaaf30cae150] ???
[0x0] ???
Invalid memory access (signal 11) at address 0x10
[0xaaaf3116ed4c] ???
[0xaaaf310e75f8] __crystal_sigfault_handler +124
[0xfff0f15342a8] __setjmp +56
[0xfff0ef82b034] _ZNK4llvm23AArch64RegisterBankInfo15getInstrMappingERKNS_12MachineInstrE +1736
[0xfff0ef120ed8] _ZN4llvm13RegBankSelect11assignInstrERNS_12MachineInstrE +96
[0xfff0ef1210a0] _ZN4llvm13RegBankSelect20runOnMachineFunctionERNS_15MachineFunctionE +224
[0xfff0eee9c678] ???
[0xfff0eeda99c0] _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE +364
[0xfff0eeda9b48] _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE +56
[0xfff0eeda9ffc] _ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE +512
[0xfff0ef7af808] ???
[0xfff0ef7af91c] LLVMTargetMachineEmitToFile +232
[0xaaaf30e69e44] ???
[0xaaaf30e6a7f8] ???
[0xaaaf30cae150] ???
[0x0] ???
Invalid memory access (signal 11) at address 0x20
[0xaaaf3116ed4c] ???
[0xaaaf310e75f8] __crystal_sigfault_handler +124
[0xfff0f15342a8] __setjmp +56
[0xfff0ef1248ac] _ZN4llvm12getOpcodeDefEjjRKNS_19MachineRegisterInfoE +36
[0xfff0ef11131c] ???
[0xfff0ef111d18] ???
[0xfff0ef112548] ???
[0xfff0ef112e14] ???
[0xfff0eee9c678] ???
[0xfff0eeda99c0] _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE +364
[0xfff0eeda9b48] _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE +56
[0xfff0eeda9ffc] _ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE +512
[0xfff0ef7af808] ???
[0xfff0ef7af91c] LLVMTargetMachineEmitToFile +232
[0xaaaf30e69e44] ???
[0xaaaf30e6a7f8] ???
[0xaaaf30cae150] ???
[0x0] ???
Invalid memory access (signal 11) at address 0x20
[0xaaaf3116ed4c] ???
[0xaaaf310e75f8] __crystal_sigfault_handler +124
[0xfff0f15342a8] __setjmp +56
[0xfff0ef1248ac] _ZN4llvm12getOpcodeDefEjjRKNS_19MachineRegisterInfoE +36
[0xfff0ef11131c] ???
[0xfff0ef112488] ???
[0xfff0ef112550] ???
[0xfff0ef112e14] ???
[0xfff0eee9c678] ???
[0xfff0eeda99c0] _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE +364
[0xfff0eeda9b48] _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE +56