LLVM Error out of memory on CI on32-bit GNU linux `compileall`(?)

[KristofferC]

I think the error here is in compileall at least:

https://buildkite.com/julialang/julia-master/builds/36415#018f70db-0266-4177-b40c-6dd20f0f53b9

      From worker 14:	LLVM ERROR: out of memory
      From worker 14:	Allocation failed
      From worker 14:
      From worker 14:	[4811] signal 6 (-6): Aborted
      From worker 14:	in expression starting at none:1
      From worker 14:	__kernel_vsyscall at linux-gate.so.1 (unknown line)
      From worker 14:	gsignal at /lib/i386-linux-gnu/libc.so.6 (unknown line)
      From worker 14:	abort at /lib/i386-linux-gnu/libc.so.6 (unknown line)
      From worker 14:	_ZN4llvm22report_bad_alloc_errorEPKcb at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm15SmallVectorBaseIjE8grow_podEPvjj at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm19raw_svector_ostream10write_implEPKcj at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm11raw_ostream5writeEPKcj at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN12_GLOBAL__N_19ELFWriter16writeRelocationsERKN4llvm11MCAssemblerERKNS1_12MCSectionELFE at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN12_GLOBAL__N_19ELFWriter11writeObjectERN4llvm11MCAssemblerERKNS1_11MCAsmLayoutE.constprop.0 at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN12_GLOBAL__N_121ELFSingleObjectWriter11writeObjectERN4llvm11MCAssemblerERKNS1_11MCAsmLayoutE at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm11MCAssembler6FinishEv at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm16MCObjectStreamer10finishImplEv at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm13MCELFStreamer10finishImplEv at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm10AsmPrinter14doFinalizationERNS_6ModuleE at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm13FPPassManager14doFinalizationERNS_6ModuleE at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libLLVM-17jl.so (unknown line)
      From worker 14:	unknown function (ip: 0xf73f349b)
      From worker 14:	unknown function (ip: 0xf73f944f)
      From worker 14:	jl_dump_native_impl at /cache/build/tester-amdci5-10/julialang/julia-master/julia-3638c84f45/bin/../lib/julia/libjulia-codegen.so.1.12 (unknown line)
      From worker 14:	ijl_write_compiler_output at /cache/build/tester-amdci4-10/julialang/julia-master/src/precompile.c:168
      From worker 14:	ijl_atexit_hook at /cache/build/tester-amdci4-10/julialang/julia-master/src/init.c:285
      From worker 14:	ijl_exit at /cache/build/tester-amdci4-10/julialang/julia-master/src/init.c:207
      From worker 14:	exit at ./initdefs.jl:28
      From worker 14:	exit at ./initdefs.jl:29
      From worker 14:	unknown function (ip: 0xe68af706)
      From worker 14:	_jl_invoke at /cache/build/tester-amdci4-10/julialang/julia-master/src/gf.c:3016 [inlined]
      From worker 14:	ijl_apply_generic at /cache/build/tester-amdci4-10/julialang/julia-master/src/gf.c:3193
      From worker 14:	jl_apply at /cache/build/tester-amdci4-10/julialang/julia-master/src/julia.h:2187 [inlined]
      From worker 14:	do_call at /cache/build/tester-amdci4-10/julialang/julia-master/src/interpreter.c:127
      From worker 14:	eval_value at /cache/build/tester-amdci4-10/julialang/julia-master/src/interpreter.c:224
      From worker 14:	eval_stmt_value at /cache/build/tester-amdci4-10/julialang/julia-master/src/interpreter.c:175 [inlined]
      From worker 14:	eval_body at /cache/build/tester-amdci4-10/julialang/julia-master/src/interpreter.c:660
      From worker 14:	jl_interpret_toplevel_thunk at /cache/build/tester-amdci4-10/julialang/julia-master/src/interpreter.c:865
      From worker 14:	jl_toplevel_eval_flex at /cache/build/tester-amdci4-10/julialang/julia-master/src/toplevel.c:969
      From worker 14:	jl_toplevel_eval_flex at /cache/build/tester-amdci4-10/julialang/julia-master/src/toplevel.c:909
      From worker 14:	ijl_toplevel_eval at /cache/build/tester-amdci4-10/julialang/julia-master/src/toplevel.c:980
      From worker 14:	ijl_toplevel_eval_in at /cache/build/tester-amdci4-10/julialang/julia-master/src/toplevel.c:1022
      From worker 14:	eval at ./boot.jl:432 [inlined]
      From worker 14:	exec_options at ./client.jl:291
      From worker 14:	_start at ./client.jl:533
      From worker 14:	unknown function (ip: 0xe68aba46)
      From worker 14:	_jl_invoke at /cache/build/tester-amdci4-10/julialang/julia-master/src/gf.c:3016 [inlined]
      From worker 14:	ijl_apply_generic at /cache/build/tester-amdci4-10/julialang/julia-master/src/gf.c:3193
      From worker 14:	jl_apply at /cache/build/tester-amdci4-10/julialang/julia-master/src/julia.h:2187 [inlined]
      From worker 14:	true_main at /cache/build/tester-amdci4-10/julialang/julia-master/src/jlapi.c:900
      From worker 14:	jl_repl_entrypoint at /cache/build/tester-amdci4-10/julialang/julia-master/src/jlapi.c:1059
      From worker 14:	main at /cache/build/tester-amdci4-10/julialang/julia-master/cli/loader_exe.c:58
      From worker 14:	__libc_start_main at /lib/i386-linux-gnu/libc.so.6 (unknown line)
      From worker 14:	unknown function (ip: 0x80490cf)
      From worker 14:	Allocations: 522769419 (Pool: 522765335; Big: 4084); GC: 139