Function definition erroneously not found

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#14,087 opened on Dec 5, 2025 8 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 48/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: c
Domain: devtools

Research direction

Start with the minimal C reproducer using the declaration and definition of a with restrict, then investigate how the C/C++ extension indexes or resolves the function definition. Confirm the behavior with the reported extension and VS Code versions; done means the definition is found from the declaration or its corresponding navigation action.

Written by the indexing model from the issue text.

Description

bug Feature: Create Declaration or Definition Language Service Visual Studio

Type: Bug

void a(int *restrict);

void a(int *restrict i) {
    //
}

Extension version: 1.29.2
VS Code version: Code 1.106.3 (bf9252a2fb45be6893dd8870c0bf37e2e1766d61, 2025-11-25T22:28:18.024Z)
OS version: Linux x64 6.8.0-88-generic
Modes:

Dominant language: TypeScript
Stars: 6.2k
Forks: 1.7k
Avg merge: 1d 4h
Merged PRs (30d): 60

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