microsoft / microsoft/vscode-cpptools

[Windows][cygwin] The operation of 'Start Without Debugging' is invalid

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Description

VSCode Version:1.23.0
OS Version: Window7 X64
Cpptools: \scratch2\scratch\waan\vsdbg-cpptools-test
GDB: C:\cygwin64\bin\gdb.exe

Steps to Reproduce:

  1. Open tests folder in attachments directly.
    test.zip

  2. Update "program" and "miDebuggerPath" in launch.json as following:
    "program": "${workspaceRoot}/a.exe",
    "miDebuggerPath": "C:\cygwin64\bin\gdb.exe",

  3. Set a breakpoint at line of 5 'int a=1' in a.cpp file.

  4. Start without debugging(Ctrl+F5).
    image

Excepted:
Start without debugging successfully.

Actual:
Start debugging and hit the breakpoint.

Investigation:
This issue didn't reproduce in vsdbg.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the report from the attached test.zip using the launch.json settings, a.cpp breakpoint, Cygwin gdb.exe, and Ctrl+F5. Compare the behavior with the stated vsdbg case; done means Start Without Debugging runs without starting a debugging session or stopping at the breakpoint.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, vscode
Domain
devtools
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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