cmd/cgo: build failed when any code have CFLAGS: -Werror=unused-vairable

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Description

Contributor guide

Research direction

Examine the cgo code generation to identify where an unused variable is introduced when compiling with Werror=unused variable. Look at the generated C code around the cgo ... functions and ensure the variable is either used or the flag is handled correctly.

Tech stack

goc

Domain

compilersbackend

Issue type

Bug

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-3 hours

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

GoC compiler

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

65