Attempting to link against zig library with --bundle-compiler-rt throwing bad_alloc() on alpine linux aarch64

[andrewrk]

Steps to reproduce:

• remove the workaround from the Drone CI script that I'm about to add.

Backtrace:

/zig/build-debug # ninja install
[167/168] Install the project...
-- Install configuration: "Debug"
-- Installing: /zig/dist/bin/zig
-- Set runtime path of "/zig/dist/bin/zig" to ""
-- Installing: /zig/dist/lib
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
::
:: ERROR: Child aborted
:: (execute_process)
::
:: argv: /zig/build-debug/zig build --override-lib-dir /zig/lib -Dlib-files-only --prefix /zig/dist install
::
:: argv[0]: /zig/build-debug/zig
:: argv[1]: build
:: argv[2]: --override-lib-dir
:: argv[3]: /zig/lib
:: argv[4]: -Dlib-files-only
:: argv[5]: --prefix
:: argv[6]: /zig/dist
:: argv[7]: install
::
CMake Error at /zig/cmake/install.cmake:36 (message):
Call Stack (most recent call first):
  cmake_install.cmake:73 (include)


FAILED: CMakeFiles/install.util 
cd /zig/build-debug && /usr/bin/cmake -P cmake_install.cmake
ninja: build stopped: subcommand failed.
/zig/build-debug # gdb ./zig -ex 'run build --override-lib-dir /zig/lib -Dlib-files-only --prefix /zig/d
ist install'
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Reading symbols from ./zig...
Starting program: /zig/build-debug/zig build --override-lib-dir /zig/lib -Dlib-files-only --prefix /zig/dist install
warning: Error disabling address space randomization: Operation not permitted
LLVM Emit Output...terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc

Program received signal SIGABRT, Aborted.
0x0000ffff85638a90 in sigsetjmp () from /lib/ld-musl-aarch64.so.1
(gdb) bt
#0  0x0000ffff85638a90 in sigsetjmp () from /lib/ld-musl-aarch64.so.1
#1  0x0000ffff85638c24 in raise () from /lib/ld-musl-aarch64.so.1
#2  0x0000ffff8560ddf0 in abort () from /lib/ld-musl-aarch64.so.1
#3  0x0000ffff85502d88 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/libstdc++.so.6
#4  0x0000ffff85500e14 in __cxxabiv1::__terminate(void (*)()) () from /usr/lib/libstdc++.so.6
#5  0x0000ffff85500e7c in std::terminate() () from /usr/lib/libstdc++.so.6
#6  0x0000ffff85501120 in __cxa_throw () from /usr/lib/libstdc++.so.6
#7  0x0000ffff854fd71c in std::__throw_bad_alloc() () from /usr/lib/libstdc++.so.6
#8  0x0000aaaab470de70 in __gnu_cxx::new_allocator<std::__detail::_Hash_node_base*>::allocate (
    this=0xffffc1443300, __n=18446744073709551557) at /usr/include/c++/9.2.0/ext/new_allocator.h:105
#9  0x0000aaaab470ddfc in std::allocator_traits<std::allocator<std::__detail::_Hash_node_base*> >::allocate (__a=..., __n=18446744073709551557) at /usr/include/c++/9.2.0/bits/alloc_traits.h:444
#10 0x0000aaaab67330d4 in std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope>, false> > >::_M_allocate_buckets (
    this=0xaaab103fe520, __n=18446744073709551557)
    at /usr/include/c++/9.2.0/bits/hashtable_policy.h:2134
#11 0x0000aaaab6732ea0 in std::_Hashtable<llvm::DILocalScope const*, std::pair<llvm::DILocalScope const* const, llvm::LexicalScope>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> >, std::__detail::_Select1st, std::equal_to<llvm::DILocalScope const*>, std::hash<llvm::DILocalScope const*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_allocate_buckets (
    this=0xaaab103fe520, __n=18446744073709551557) at /usr/include/c++/9.2.0/bits/hashtable.h:361
#12 0x0000aaaab67327bc in std::_Hashtable<llvm::DILocalScope const*, std::pair<llvm::DILocalScope const* const, llvm::LexicalScope>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> >, std::__detail::_Select1st, std::equal_to<llvm::DILocalScope const*>, std::hash<llvm::DILocalScope const*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_rehash_aux (
    this=0xaaab103fe520, __n=18446744073709551557) at /usr/include/c++/9.2.0/bits/hashtable.h:2088
#13 0x0000aaaab6731eec in std::_Hashtable<llvm::DILocalScope const*, std::pair<llvm::DILocalScope const* const, llvm::LexicalScope>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> >, std::__detail::_Select1st, std::equal_to<llvm::DILocalScope const*>, std::hash<llvm::DILocalScope const*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_rehash (this=0xaaab103fe520, 
    __n=18446744073709551557, __state=@0xffffc1443438: 0)
    at /usr/include/c++/9.2.0/bits/hashtable.h:2067
#14 0x0000aaaab67315b4 in std::_Hashtable<llvm::DILocalScope const*, std::pair<llvm::DILocalScope const* const, llvm::LexicalScope>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> >, std::__detail::_Select1st, std::equal_to<llvm::DILocalScope const*>, std::hash<llvm::DILocalScope const*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_insert_unique_node (
    this=0xaaab103fe520, __bkt=0, __code=187651666363232, __node=0xaaab11664e20, __n_elt=1)
    at /usr/include/c++/9.2.0/bits/hashtable.h:1713
#15 0x0000aaaab6730b58 in std::_Hashtable<llvm::DILocalScope const*, std::pair<llvm::DILocalScope const* const, llvm::LexicalScope>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> >, std::__detail::_Select1st, std::equal_to<llvm::DILocalScope const*>, std::hash<llvm::DILocalScope const*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::_M_emplace<std::piecewise_construct_t const&, std::tuple<llvm::DILocalScope const*&>, std::tuple<llvm::LexicalScope*&, llvm::DILocalScope const*&, decltype(nullptr)&&, bool&&> >(std::integral_constant<bool, true>, std::piecewise_construct_t const&, std::tuple<llvm::DILocalScope const*&>&&, std::tuple<llvm::LexicalScope*&, llvm::DILocalScope const*&, decltype(nullptr)&&, bool&&>&&) (this=0xaaab103fe520, __args#0=..., __args#1=..., __args#2=...)
    at /usr/include/c++/9.2.0/bits/hashtable.h:1660
#16 0x0000aaaab672ff70 in std::_Hashtable<llvm::DILocalScope const*, std::pair<llvm::DILocalScope const*--Type <RET> for more, q to quit, c to continue without paging--
 const, llvm::LexicalScope>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> >, std::__detail::_Select1st, std::equal_to<llvm::DILocalScope const*>, std::hash<llvm::DILocalScope const*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::emplace<std::piecewise_construct_t const&, std::tuple<llvm::DILocalScope const*&>, std::tuple<llvm::LexicalScope*&, llvm::DILocalScope const*&, decltype(nullptr)&&, bool&&> >(std::piecewise_construct_t const&, std::tuple<llvm::DILocalScope const*&>&&, std::tuple<llvm::LexicalScope*&, llvm::DILocalScope const*&, decltype(nullptr)&&, bool&&>&&)
    (this=0xaaab103fe520, __args#0=..., __args#1=..., __args#2=...)
    at /usr/include/c++/9.2.0/bits/hashtable.h:749
#17 0x0000aaaab672f6bc in std::unordered_map<llvm::DILocalScope const*, llvm::LexicalScope, std::hash<llvm::DILocalScope const*>, std::equal_to<llvm::DILocalScope const*>, std::allocator<std::pair<llvm::DILocalScope const* const, llvm::LexicalScope> > >::emplace<std::piecewise_construct_t const&, std::tuple<llvm::DILocalScope const*&>, std::tuple<llvm::LexicalScope*&, llvm::DILocalScope const*&, decltype(nullptr)&&, bool&&> >(std::piecewise_construct_t const&, std::tuple<llvm::DILocalScope const*&>&&, std::tuple<llvm::LexicalScope*&, llvm::DILocalScope const*&, decltype(nullptr)&&, bool&&>&&) (this=0xaaab103fe520, 
    __args#0=..., __args#1=..., __args#2=...) at /usr/include/c++/9.2.0/bits/unordered_map.h:388
#18 0x0000aaaab672df24 in llvm::LexicalScopes::getOrCreateRegularScope (this=0xaaab103fe518, 
    Scope=0xaaab0eea4360) at ../lib/CodeGen/LexicalScopes.cpp:174
#19 0x0000aaaab672ddd8 in llvm::LexicalScopes::getOrCreateLexicalScope (this=0xaaab103fe518, 
    Scope=0xaaab0eea4360, IA=0x0) at ../lib/CodeGen/LexicalScopes.cpp:154
#20 0x0000aaaab672dec4 in llvm::LexicalScopes::getOrCreateRegularScope (this=0xaaab103fe518, 
    Scope=0xaaab0eea4970) at ../lib/CodeGen/LexicalScopes.cpp:170
#21 0x0000aaaab672ddd8 in llvm::LexicalScopes::getOrCreateLexicalScope (this=0xaaab103fe518, 
    Scope=0xaaab0eea4970, IA=0x0) at ../lib/CodeGen/LexicalScopes.cpp:154
#22 0x0000aaaab672dec4 in llvm::LexicalScopes::getOrCreateRegularScope (this=0xaaab103fe518, 
    Scope=0xaaab0eea49b0) at ../lib/CodeGen/LexicalScopes.cpp:170
#23 0x0000aaaab672ddd8 in llvm::LexicalScopes::getOrCreateLexicalScope (this=0xaaab103fe518, 
    Scope=0xaaab0eea49b0, IA=0x0) at ../lib/CodeGen/LexicalScopes.cpp:154
#24 0x0000aaaab672f0ac in llvm::LexicalScopes::getOrCreateLexicalScope (this=0xaaab103fe518, 
    DL=0xaaab0f641528) at ../include/llvm/CodeGen/LexicalScopes.h:209
#25 0x0000aaaab672db54 in llvm::LexicalScopes::extractLexicalScopes (this=0xaaab103fe518, 
    MIRanges=..., MI2ScopeMap=...) at ../lib/CodeGen/LexicalScopes.cpp:100
#26 0x0000aaaab672d984 in llvm::LexicalScopes::initialize (this=0xaaab103fe518, Fn=...)
    at ../lib/CodeGen/LexicalScopes.cpp:59
#27 0x0000aaaab6739aa4 in (anonymous namespace)::LiveDebugValues::runOnMachineFunction (
    this=0xaaab103fe480, MF=...) at ../lib/CodeGen/LiveDebugValues.cpp:1639
#28 0x0000aaaab6810c00 in llvm::MachineFunctionPass::runOnFunction (this=0xaaab103fe480, F=...)
    at ../lib/CodeGen/MachineFunctionPass.cpp:73
#29 0x0000aaaab7878dc4 in llvm::FPPassManager::runOnFunction (this=0xaaab101ffc00, F=...)
    at ../lib/IR/LegacyPassManager.cpp:1481
#30 0x0000aaaab7879010 in llvm::FPPassManager::runOnModule (this=0xaaab101ffc00, M=...)
    at ../lib/IR/LegacyPassManager.cpp:1517
#31 0x0000aaaab7879414 in (anonymous namespace)::MPPassManager::runOnModule (this=0xaaab12c1dd40, 
    M=...) at ../lib/IR/LegacyPassManager.cpp:1582
#32 0x0000aaaab7879b44 in llvm::legacy::PassManagerImpl::run (this=0xaaab0f03faa0, M=...)
    at ../lib/IR/LegacyPassManager.cpp:1694
#33 0x0000aaaab7879d74 in llvm::legacy::PassManager::run (this=0xffffc1443dd0, M=...)
    at ../lib/IR/LegacyPassManager.cpp:1725
#34 0x0000aaaab246c484 in ZigLLVMTargetMachineEmitToFile (targ_machine_ref=0xaaaadc4326c0, 
    module_ref=0xaaaadc426620, error_message=0xffffc1443f40, is_debug=true, is_small=false, 
    time_report=false, asm_filename=0x0, 
    bin_filename=0xaaab00f337a0 "/zig/zig-cache/o/fTTl3lI7WwB6XlHoC0YAL8SkEc4pDXuoxNLXdHK1JkXyReuJIYnxht-A-HPaKWxO/build.o", llvm_ir_filename=0x0) at ../src/zig_llvm.cpp:268
--Type <RET> for more, q to quit, c to continue without paging--
#35 0x0000aaaab20d6f7c in zig_llvm_emit_output (g=0xaaaadc41f440) at ../src/codegen.cpp:8029
#36 0x0000aaaab20e0f50 in codegen_build_and_link (g=0xaaaadc41f440) at ../src/codegen.cpp:10762
#37 0x0000aaaab20b1bd4 in main0 (argc=8, argv=0xffffc14446d8) at ../src/main.cpp:562
#38 0x0000aaaab20b6188 in main (argc=8, argv=0xffffc14446d8) at ../src/main.cpp:1715
(gdb) quit

Appears to be some problem with LLVM's HashTable ending up calling divti3 and everything goes to hell. @LemonBoy spent a few hours looking into it, and may be able to share more details.

This is a prereq for #2443.