求助:xmake2.7.8 linux gcc12 c++ modules error: internal compiler error: Segmentation fault #3621

masx200 · 2023-04-12T08:00:49Z

masx200
Apr 12, 2023

这个代码可以在msvc上编译成功，但是在gcc上编译失败，求助？？

https://github.com/masx200/leetcode-treenode-cpp/blob/d1e0a51f91c96110da15fa74e6d9769b838ea92f/.github/workflows/c-cpp.yml

https://github.com/masx200/leetcode-treenode-cpp/blob/d1e0a51f91c96110da15fa74e6d9769b838ea92f/LeetCodeTreeNodeToString.ixx

https://github.com/masx200/leetcode-treenode-cpp/blob/d1e0a51f91c96110da15fa74e6d9769b838ea92f/xmake.lua

Run xmake build -vy
  xmake build -vy
  shell: /usr/bin/bash -e {0}
checking for platform ... linux
checking for architecture ... x86_64
checking for gcc ... /usr/bin/gcc
checking for zig ... no
checking for zig ... no
checking for unzip ... /usr/bin/unzip
checking for git ... /usr/bin/git
checking for gzip ... /usr/bin/gzip
checking for tar ... /usr/bin/tar
checking for ping ... /usr/bin/ping
pinging for the host(github.com) ... 65535 ms
pinging for the host(gitlab.com) ... 65535 ms
pinging for the host(gitee.com) ... 65535 ms
updating repositories .. 
cloning repository(build-artifacts): https://github.com/xmake-mirror/build-artifacts.git to /home/runner/.xmake/repositories/build-artifacts ..
/usr/bin/git clone https://github.com/xmake-mirror/build-artifacts.git -b main -c core.fsmonitor=false /home/runner/.xmake/repositories/build-artifacts
Cloning into '/home/runner/.xmake/repositories/build-artifacts'...
cloning repository(xmake-repo): https://github.com/xmake-io/xmake-repo.git to /home/runner/.xmake/repositories/xmake-repo ..
/usr/bin/git clone https://github.com/xmake-io/xmake-repo.git -b master -c core.fsmonitor=false /home/runner/.xmake/repositories/xmake-repo
Cloning into '/home/runner/.xmake/repositories/xmake-repo'...
ok
checking for vcpkg::cppunit ... no
checking for vcpkg ... /usr/local/share/vcpkg/vcpkg
/usr/local/share/vcpkg/vcpkg install cppunit:x64-linux
Computing installation plan...
The following packages will be built and installed:
    cppunit[core]:x64-linux -> 1.15.1#3
Detecting compiler hash for triplet x64-linux...
Restored 0 package(s) from /home/runner/.cache/vcpkg/archives in 9.4 us. Use --debug to see more details.
Installing 1/1 cppunit:x64-linux...
Building cppunit[core]:x64-linux...
-- Downloading https://dev-www.libreoffice.org/src/cppunit-1.15.1.tar.gz -> cppunit-1.15.1.tar.gz...
-- Extracting source /usr/local/share/vcpkg/downloads/cppunit-1.15.1.tar.gz
-- Using source at /usr/local/share/vcpkg/buildtrees/cppunit/src/cppunit-1-60beb2c90e.clean
-- Getting CMake variables for x64-linux-dbg
-- Getting CMake variables for x64-linux-rel
-- Generating configure for x64-linux
-- Finished generating configure for x64-linux
-- Configuring x64-linux-dbg
-- Configuring x64-linux-rel
-- Building x64-linux-dbg
-- Installing x64-linux-dbg
-- Building x64-linux-rel
-- Installing x64-linux-rel
-- Fixing pkgconfig file: /usr/local/share/vcpkg/packages/cppunit_x64-linux/lib/pkgconfig/cppunit.pc
-- Fixing pkgconfig file: /usr/local/share/vcpkg/packages/cppunit_x64-linux/debug/lib/pkgconfig/cppunit.pc
-- Installing: /usr/local/share/vcpkg/packages/cppunit_x64-linux/share/cppunit/copyright
-- Installing: /usr/local/share/vcpkg/packages/cppunit_x64-linux/share/cppunit/CppUnitConfig.cmake
-- Performing post-build validation
Stored binary cache: "/home/runner/.cache/vcpkg/archives/79/79e5ee51666041ef8e8311ee02d1607aa9f23875f79c7628970115a757aee28d.zip"
Elapsed time to handle cppunit:x64-linux: 47 s
Total install time: 54 s
cppunit provides CMake targets:

    # this is heuristically generated, and may not be correct
    find_package(CppUnit CONFIG REQUIRED)
    target_link_libraries(main PRIVATE CppUnit)

checking for pkg-config ... /usr/bin/pkg-config
checking for vcpkg::cppunit ... cppunit 1.15.1
{ 
  version = "1.15.1",
  links = { 
    "cppunit",
    "dl",� 
  },
  linkdirs = { 
    "/usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../lib",� 
  },
  sysincludedirs = { 
    "/usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include",� 
  },� 
}

  => install vcpkg::cppunit latest .. ok
checking for gcc ... /usr/bin/gcc
checking for the c++ compiler (cxx) ... gcc
checking for /usr/bin/gcc ... ok
checking for flags (-fPIC) ... ok
checking for flags (gcc_modules_ts) ... ok
checking for flags (gcc_module_mapper) ... ok
checking for flags (gcc_dep_format) ... no
checking for flags (gcc_dep_file) ... no
checking for flags (gcc_dep_output) ... no
[  0%]: generating.module.deps test.cpp
checking for flags (-fvisibility-inlines-hidden) ... ok
checking for flags (-O3) ... ok
checking for flags (-std=c++20) ... ok
checking for flags (-D_GLIBCXX_USE_CXX11_ABI=0) ... ok
checking for flags (-DNDEBUG) ... ok
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG test.cpp -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/test.cpp.i
[  0%]: generating.module.deps freeTreeNode.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG freeTreeNode.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/freeTreeNode.ixx.i
[  0%]: generating.module.deps serializeTreeNode.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG serializeTreeNode.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/serializeTreeNode.ixx.i
[  0%]: generating.module.deps parseLeetCodeBinaryTree.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG parseLeetCodeBinaryTree.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/parseLeetCodeBinaryTree.ixx.i
[  0%]: generating.module.deps TreeNode.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG TreeNode.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/TreeNode.ixx.i
[  0%]: generating.module.deps bfsTravelsal.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG bfsTravelsal.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/bfsTravelsal.ixx.i
[  0%]: generating.module.deps traversalTreeNode.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG traversalTreeNode.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/traversalTreeNode.ixx.i
[  0%]: generating.module.deps LeetCodeTreeNodeToString.ixx
/usr/bin/gcc -E -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG LeetCodeTreeNodeToString.ixx -o build/.gens/leetcode-treenode-cpp/linux/x86_64/release/rules/modules/cache/ec4a91a6/LeetCodeTreeNodeToString.ixx.i
[  8%]: compiling.module.release leetcode_treenode_cpp.TreeNode
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/TreeNode.ixx.o TreeNode.ixx
checking for flags (-MMD -MF) ... ok
[ 16%]: compiling.module.release leetcode_treenode_cpp.serializeTreeNode
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/serializeTreeNode.ixx.o serializeTreeNode.ixx
[ 16%]: compiling.module.release leetcode_treenode_cpp.freeTreeNode
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/freeTreeNode.ixx.o freeTreeNode.ixx
[ 16%]: compiling.module.release leetcode_treenode_cpp.bfsTravelsal
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/bfsTravelsal.ixx.o bfsTravelsal.ixx
[ 25%]: compiling.module.release leetcode_treenode_cpp.traversalTreeNode
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/traversalTreeNode.ixx.o traversalTreeNode.ixx
[ 50%]: compiling.module.release leetcode_treenode_cpp.parseLeetCodeBinaryTree
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/parseLeetCodeBinaryTree.ixx.o parseLeetCodeBinaryTree.ixx
[ 50%]: compiling.module.release leetcode_treenode_cpp.LeetCodeTreeNodeToString
/usr/bin/gcc -c -x c++ -m64 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -std=c++20 -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/leetcode-treenode-cpp/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -DNDEBUG -o build/.objs/leetcode-treenode-cpp/linux/x86_64/release/LeetCodeTreeNodeToString.ixx.o LeetCodeTreeNodeToString.ixx
error: during GIMPLE pass: modref
LeetCodeTreeNodeToString.ixx: In member function ‘_CharT* std::basic_string<_CharT, _Traits, _Alloc>::_Rep::_M_clone(const _Alloc&, std::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’:
LeetCodeTreeNodeToString.ixx:31:2: internal compiler error: Segmentation fault
   31 | };
      |  ^
0xd910e3 crash_signal
	../../src/gcc/toplev.cc:322
0xb73ef0 parm_map_for_ptr
	../../src/gcc/ipa-modref.cc:853
0xb7fc12 merge_call_side_effects
	../../src/gcc/ipa-modref.cc:1327
0xb80438 analyze_call
	../../src/gcc/ipa-modref.cc:1678
0xb869e3 analyze_stmt
	../../src/gcc/ipa-modref.cc:1811
0xb869e3 analyze
	../../src/gcc/ipa-modref.cc:1900
0xb869e3 analyze_function
	../../src/gcc/ipa-modref.cc:3219
0xb88f6e execute
	../../src/gcc/ipa-modref.cc:4186
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-12/README.Bugs> for instructions.
Error: Process completed with exit code 255.

module;


#include <string>

#include <iterator>
#include <regex>
#include <sstream>

export module leetcode_treenode_cpp.LeetCodeTreeNodeToString;

import leetcode_treenode_cpp.TreeNode;

import leetcode_treenode_cpp.bfsTravelsal;

namespace leetcode_treenode_cpp
{

//    using std::basic_stringstream;
    using std::stringstream;
    export std::string LeetCodeTreeNodeToString(TreeNode *root)
    {
        stringstream sstream;
        auto result = bfsTravelsal(root);
        std::regex vowel_re("(,null){1,}\\]$");

        std::regex_replace(std::ostreambuf_iterator<char>(sstream), result.begin(),
                           result.end(), vowel_re, "]");
        return sstream.str();
    };
};

add_rules("mode.debug", "mode.release")
add_requires("vcpkg::cppunit")
set_languages("c17", "cxx20")
set_project("leetcode-treenode-cpp")
target("leetcode-treenode-cpp")
    --set_toolchains("msvc","clang")
    set_kind("binary")
    add_files("*.cpp")
    add_files("*.ixx")
    add_packages("vcpkg::cppunit")

name: C/C++ CI

on:
    push:
        branches: ["main"]
    pull_request:
        branches: ["main"]

jobs:
    build:
        runs-on: ubuntu-latest

        steps:
            - uses: actions/checkout@v3
            - name: install
              run: |
                  cd ~
                  sudo apt install -y libcppunit-dev
                  cd ~
                  git clone https://gitcode.net/mirrors/microsoft/vcpkg
                  cd vcpkg
                  sh bootstrap-vcpkg.sh
                  ~/vcpkg/vcpkg integrate install
                  ~/vcpkg/vcpkg integrate bash
                  ~/vcpkg/vcpkg install  cppunit
                  sudo add-apt-repository -y ppa:xmake-io/xmake
                  sudo apt update
                  sudo apt install -y xmake gcc-12
                  sudo rm -fv /usr/bin/gcc
                  sudo ln -s /usr/bin/gcc-12 /usr/bin/gcc
                  sudo apt install -y  g++-12
                  sudo rm -fv /usr/bin/g++
                  sudo ln -s /usr/bin/g++-12 /usr/bin/g++
            - name: make
              run: xmake build -vy
            - name: test
              run: xmake run -v

waruqi · 2023-04-12T08:08:07Z

waruqi
Apr 12, 2023
Maintainer

LeetCodeTreeNodeToString.ixx:31:2: internal compiler error: Segmentation fault

编译器挂了，你得到 gcc 那边去反馈，不是这里

0 replies

masx200 · 2023-04-12T08:16:40Z

masx200
Apr 12, 2023
Author

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0 replies

masx200 · 2023-05-17T09:33:47Z

masx200
May 17, 2023
Author

我发现gcc13版本依然有相同的bug

[ 26%]: compiling.module.test leetcode_test.insufficient_nodes_in_root_to_leaf_paths.debugTreeNode
/opt/gcc-latest/bin/gcc -c -x c++ -m64 -std=c++20 -D__TEST__ -isystem /usr/local/share/vcpkg/installed/x64-linux/include -isystem /usr/local/share/vcpkg/installed/x64-linux/lib/pkgconfig/../../include -fmodules-ts -fmodule-mapper=build/insufficient-nodes-in-root-to-leaf-paths-test/mapper.txt -D_GLIBCXX_USE_CXX11_ABI=0 -o build/.objs/insufficient-nodes-in-root-to-leaf-paths-test/linux/x86_64/test/debugTreeNode.ixx.o debugTreeNode.ixx
error: In file included from /opt/gcc-latest/include/c++/13.0.1/bits/locale_classes.h:869,
                 from /opt/gcc-latest/include/c++/13.0.1/bits/ios_base.h:41,
                 from /opt/gcc-latest/include/c++/13.0.1/ios:44,
                 from /opt/gcc-latest/include/c++/13.0.1/ostream:40,
                 from /opt/gcc-latest/include/c++/13.0.1/bits/unique_ptr.h:42,
                 from /opt/gcc-latest/include/c++/13.0.1/bits/shared_ptr_base.h:59,
                 from /opt/gcc-latest/include/c++/13.0.1/bits/shared_ptr.h:53,
                 from /opt/gcc-latest/include/c++/13.0.1/condition_variable:45,
                 from /usr/local/share/vcpkg/installed/x64-linux/include/eventpp/eventpolicies.h:21,
                 from /usr/local/share/vcpkg/installed/x64-linux/include/eventpp/callbacklist.h:17,
                 from ../leetcode-treenode-cpp/TreeNode.ixx:3,
of module leetcode_treenode_cpp.TreeNode, imported at ../leetcode-treenode-cpp/bfsTravelsal.ixx:7:
/opt/gcc-latest/include/c++/13.0.1/bits/locale_classes.tcc: In instantiation of ‘const _Facet& std::use_facet(const locale&) [with _Facet = numpunct<char>]’:
/opt/gcc-latest/include/c++/13.0.1/bits/locale_facets.tcc:80:66:   required from ‘void std::__numpunct_cache@leetcode_treenode_cpp.TreeNode<_CharT>::_M_cache(const std::locale&) [with _CharT = char]’
/opt/gcc-latest/include/c++/13.0.1/bits/locale_facets.tcc:63:18:   required from ‘const std::__numpunct_cache@leetcode_treenode_cpp.TreeNode<_CharT>* std::__use_cache@leetcode_treenode_cpp.TreeNode<std::__numpunct_cache@leetcode_treenode_cpp.TreeNode<_CharT> >::operator()(const std::locale&) const [with _CharT = char]’
/opt/gcc-latest/include/c++/13.0.1/bits/locale_facets.tcc:384:33:   required from ‘_InIter std::num_get<_CharT, _InIter>::_M_extract_int(_InIter, _InIter, std::ios_base&, std::ios_base::iostate&, _ValueT&) const [with _ValueT = long int; _CharT = char; _InIter = std::istreambuf_iterator<char, std::char_traits<char> >; std::ios_base::iostate = std::ios_base::iostate]’
/opt/gcc-latest/include/c++/13.0.1/bits/locale_facets.h:2225:30:   required from ‘std::num_get<_CharT, _InIter>::iter_type std::num_get<_CharT, _InIter>::do_get(iter_type, iter_type, std::ios_base&, std::ios_base::iostate&, long int&) const [with _CharT = char; _InIter = std::istreambuf_iterator<char, std::char_traits<char> >; iter_type = std::istreambuf_iterator<char, std::char_traits<char> >; std::ios_base::iostate = std::ios_base::iostate]’
/opt/gcc-latest/include/c++/13.0.1/bits/locale_facets.h:2223:7:   required from here
/opt/gcc-latest/include/c++/13.0.1/bits/locale_classes.tcc:203:60: internal compiler error: in tsubst_copy, at cp/pt.cc:17274
  203 |       if (const _Facet* __f = std::__try_use_facet<_Facet>(__loc))
      |                                                            ^~~~~
0xac7b4d tsubst_copy
	../../gcc/cp/pt.cc:17274
0xac89ed tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:21645
0xaca45a tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:20489
0xb10f80 tsubst_copy_and_build_call_args
	../../gcc/cp/pt.cc:20318
0xaca1a0 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:21041
0xabb964 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:19888
0xac2e21 tsubst_init
	../../gcc/cp/pt.cc:17136
0xabfb69 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:19025
0xabb6dd tsubst_expr(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:19866
0xaba20d tsubst_expr(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:19156
0xabaf61 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:18840
0xaba5f0 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
	../../gcc/cp/pt.cc:19220
0xad4a99 instantiate_body
	../../gcc/cp/pt.cc:26918
0xad60e0 instantiate_decl(tree_node*, bool, bool)
	../../gcc/cp/pt.cc:27207
0xb0d1df instantiate_pending_templates(int)
	../../gcc/cp/pt.cc:27287
0x967b83 c_parse_final_cleanups()
	../../gcc/cp/decl2.cc:4988
0xc26f33 c_common_parse_file()
	../../gcc/c-family/c-opts.cc:1[266](https://github.com/masx200/leetcode-test/actions/runs/5001440807/jobs/8960123966#step:14:267)
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

module;

#include <queue>
#include <string>
export module leetcode_treenode_cpp.bfsTravelsal;

import leetcode_treenode_cpp.TreeNode;
namespace leetcode_treenode_cpp {

export

    std::string
    bfsTravelsal(TreeNode* root)
{
    std::string result = "[";
    std::queue<TreeNode*> nodeQueue;
    nodeQueue.push(root);
    while (!nodeQueue.empty()) {
        TreeNode* node = nodeQueue.front();
        nodeQueue.pop();
        if (node == nullptr) {
            result += "null,";
        } else {
            result += std::to_string(node->val) + ",";
            nodeQueue.push(node->left);
            nodeQueue.push(node->right);
        }
    }
    if (result == std::string("[null,")) {
        return "[]";
    }
    result[result.size() - 1] = ']';
    return result;
}
}

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waruqi · 2023-05-17T09:47:23Z

waruqi
May 17, 2023
Maintainer

编译器内部问题，你要到 gcc 那边反馈。。

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求助:xmake2.7.8 linux gcc12 c++ modules error: internal compiler error: Segmentation fault #3621

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求助:xmake2.7.8 linux gcc12 c++ modules error: internal compiler error: Segmentation fault #3621

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