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Code Analysis doesn't work well with gcc 14.1.1 #12428

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Code Analysis doesn't work well with gcc 14.1.1#12428
Assignees
sean-mcmanus
Labels
Feature: Code AnalysisRelated to integration with clang-tidy, cppcheck, cl.exe /analyze, etc.Language ServicebugfixedCheck the Milestone for the release in which the fix is or will be available.quick fixverifiedBug has been reproduced
Milestone
1.21.1
@Micraow

Description

@Micraow
Micraow
opened on Jul 2, 2024

Environment

  • OS and Version: Arch Linux x86_64 Linux 6.9.6-zen1-1-zen
  • VS Code Version: 1.83.0
  • C/C++ Extension Version: v1.20.5

Bug Summary and Steps to Reproduce

Bug Summary:

After upgrading to gcc 14, clang-diagnostic-error reports an "Error while processing" at the beginning of every C++ file. More specifically, it's invalid suffix 'bf16' on floating constant on c++config.h, a gcc head file. The concerning code looks like this:

#if defined __cplusplus && defined __BFLT16_DIG__
namespace __gnu_cxx
{
  typedef __decltype(0.0bf16) __bfloat16_t;  // error here
}
#endif

but my program can compile and run. I think this is a problem of C/C++ Extension

Steps to reproduce:

  1. Upgrade GCC to the latest version
  2. Open VS Code and create a C++ file
  3. See error

Expected behavior:

No such error.

Configuration and Logs

c_cpp_properties.json
{
    "configurations": [
        {
            "name": "Linux",
            "includePath": [
                "${workspaceFolder}/**"
            ],
            "defines": []
        }
    ],
    "version": 4
}


C/C++: Log Diagnostics:

-------- Diagnostics - 2024/7/2 09:12:47

Version: 1.20.5
Current Configuration:
{
    "name": "Linux",
    "includePath": [
        "/home/micraow/cpplearn/**"
    ],
    "defines": [],
    "compilerPathIsExplicit": true,
    "cStandardIsExplicit": true,
    "cppStandardIsExplicit": true,
    "intelliSenseModeIsExplicit": true,
    "cStandard": "c11",
    "cppStandard": "c++11",
    "intelliSenseMode": "linux-gcc-x64",
    "mergeConfigurations": false,
    "compilerPath": "/usr/bin/g++",
    "browse": {
        "path": [
            "/home/micraow/cpplearn/**",
            "${workspaceFolder}"
        ],
        "limitSymbolsToIncludedHeaders": true
    }
}
cpptools version (native): 1.20.5.0
Translation Unit Mappings:
[ /home/micraow/cpplearn/Vec.cpp - source TU]:
    /usr/include/c++/14.1.1/x86_64-pc-linux-gnu/bits/c++config.h
Translation Unit Configurations:
[ /home/micraow/cpplearn/Vec.cpp ]:
    Process ID: 54494
    Memory Usage: 30 MB
    Compiler Path: /usr/bin/g++
    Includes:
        /usr/include/c++/14.1.1
        /usr/include/c++/14.1.1/x86_64-pc-linux-gnu
        /usr/include/c++/14.1.1/backward
        /usr/lib/gcc/x86_64-pc-linux-gnu/14.1.1/include
        /usr/local/include
        /usr/lib/gcc/x86_64-pc-linux-gnu/14.1.1/include-fixed
        /usr/include
    Standard Version: c++11
    IntelliSense Mode: linux-gcc-x64
    Other Flags:
        --g++
        --gnu_version=140101
Total Memory Usage: 30 MB

------- Workspace parsing diagnostics -------
Number of files discovered (not excluded): 47085

LSP log:

loggingLevel: Debug
loggingLevel 已更改为: Debug
LSP: (invoked) cpptools/didChangeCppProperties (id: 670)
LSP: Sending response (id: 670)
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
Intellisense update pending for: file:///home/micraow/cpplearn/Vec.cpp
LSP: (received) cpptools/didChangeActiveEditor: file:///home/micraow/cpplearn/Vec.cpp
LSP: (invoked) cpptools/didChangeActiveEditor: file:///home/micraow/cpplearn/Vec.cpp
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 671)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 671)
LSP: (received) cpptools/didChangeTextEditorSelection
LSP: Sending response (id: 671)
LSP: (invoked) cpptools/didChangeTextEditorSelection
IntelliSense update scheduled and TU acquisition started for: file:///home/micraow/cpplearn/Vec.cpp
更新 IntelliSense 时间(秒): 0.008
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 672)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 672)
LSP: Sending response (id: 672)
LSP: (received) cpptools/getFoldingRanges: file:///home/micraow/cpplearn/Vec.cpp (id: 673)
LSP: (invoked) cpptools/getFoldingRanges: file:///home/micraow/cpplearn/Vec.cpp (id: 673)
LSP: Sending response (id: 673)
LSP: (received) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 674)
LSP: (invoked) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 674)
LSP: Sending response (id: 674)
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeActiveEditor: file:///home/micraow/cpplearn/Vec.cpp
LSP: (invoked) cpptools/didChangeActiveEditor: file:///home/micraow/cpplearn/Vec.cpp
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 675)
LSP: (invoked) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 675)
LSP: Sending response (id: 675)
LSP: (received) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 676)
LSP: (invoked) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 676)
LSP: Sending response (id: 676)
LSP: (received) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 677)
LSP: (invoked) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 677)
LSP: Sending response (id: 677)
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 678)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 678)
LSP: Sending response (id: 678)
LSP: (received) cpptools/didChangeTextEditorSelection
LSP: (invoked) cpptools/didChangeTextEditorSelection
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 679)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 679)
LSP: Sending response (id: 679)
LSP: (received) cpptools/didChangeTextEditorSelection
LSP: (invoked) cpptools/didChangeTextEditorSelection
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 680)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 680)
LSP: Sending response (id: 680)
LSP: (received) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 681)
LSP: (invoked) textDocument/hover: file:///home/micraow/cpplearn/Vec.cpp (id: 681)
LSP: Sending response (id: 681)
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 682)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 682)
LSP: Sending response (id: 682)
LSP: (received) cpptools/didChangeTextEditorSelection
LSP: (invoked) cpptools/didChangeTextEditorSelection
LSP: (received) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 683)
LSP: (invoked) cpptools/getCodeActions: file:///home/micraow/cpplearn/Vec.cpp (id: 683)
LSP: Sending response (id: 683)
LSP: (received) cpptools/didChangeVisibleTextEditors
LSP: (invoked) cpptools/didChangeVisibleTextEditors
LSP: (received) cpptools/didChangeActiveEditor: file:///home/micraow/cpplearn/Vec.cpp
LSP: (invoked) cpptools/didChangeActiveEditor: file:///home/micraow/cpplearn/Vec.cpp
LSP: (received) cpptools/rescanFolder
LSP: (invoked) cpptools/rescanFolder
Intellisense update pending for: file:///home/micraow/cpplearn/Vec.cpp
正在发现文件...
正在关闭 IntelliSense 服务器: /home/micraow/cpplearn/Vec.cpp
  正在处理文件夹(递归): /usr/include/
IntelliSense update scheduled and TU acquisition started for: file:///home/micraow/cpplearn/Vec.cpp
Resolving recursive includes...
  正在处理文件夹(递归): /usr/lib/gcc/x86_64-pc-linux-gnu/14.1.1/include/
  正在处理文件夹(递归): /usr/lib/gcc/x86_64-pc-linux-gnu/14.1.1/include-fixed/
  正在处理文件夹(递归): /usr/local/include/
  正在处理文件夹(递归): /home/micraow/cpplearn/
  正在发现文件: 已处理 47085 个文件
  已从数据库中删除 0 个文件
“发现文件”操作已完成。
正在分析打开的文件...
正在填充包含完成缓存。
正在分析剩余的文件...
  正在分析: 已处理 0 个文件
“分析剩余文件”操作已完成。
“分析打开的文件”操作已完成。
Done resolving recursive includes.
正在为 /home/micraow/cpplearn/Vec.cpp 发送编译参数
  包括: /usr/include/c++/14.1.1
  包括: /usr/include/c++/14.1.1/x86_64-pc-linux-gnu
  包括: /usr/include/c++/14.1.1/backward
  包括: /usr/lib/gcc/x86_64-pc-linux-gnu/14.1.1/include
  包括: /usr/local/include
  包括: /usr/lib/gcc/x86_64-pc-linux-gnu/14.1.1/include-fixed
  包括: /usr/include
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  定义: __GCC_ATOMIC_CHAR_LOCK_FREE=2
  定义: __GCC_IEC_559=2
  定义: __FLT32X_DECIMAL_DIG__=17
  定义: __FLT_EVAL_METHOD__=0
  定义: __FLT64_DECIMAL_DIG__=17
  定义: __GCC_ATOMIC_CHAR32_T_LOCK_FREE=2
  定义: __UINT_FAST64_MAX__=0xffffffffffffffffUL
  定义: __SIG_ATOMIC_TYPE__=int
  定义: __DBL_MIN_10_EXP__=(-307)
  定义: __FINITE_MATH_ONLY__=0
  定义: __FLT32X_MAX_EXP__=1024
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更新 IntelliSense 时间(秒): 2.142
LSP: (received) cpptools/getFoldingRanges: file:///home/micraow/cpplearn/Vec.cpp (id: 684)
LSP: (invoked) cpptools/getFoldingRanges: file:///home/micraow/cpplearn/Vec.cpp (id: 684)
LSP: Sending response (id: 684)

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