|SUCCESS| examples/ptp_tap_relay_sw: forbid shadowed variables

[dpdklab at iol.unh.edu]

Test-Label: ai-code-review
Test-Status: SUCCESS
https://dpdk.org/patch/165684

_AI Code Review_

=== Patch Review: series.patch (via Claude) ===
Review date: 2026-06-18

# DPDK Patch Review

## Summary
This patch removes the `no_shadow_cflag` compilation flag from the `ptp_tap_relay_sw` example, thereby enabling the `-Wshadow` compiler warning. This is a build system change with no code modifications.

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## Findings

### No Issues Found

After reviewing this patch against the DPDK coding guidelines and focusing on correctness, style, API requirements, and potential issues, **no violations were identified**.

**Analysis:**

1. **Correctness**: No code changes are present. The patch only modifies a meson.build file to remove a flag that was suppressing shadow variable warnings.

2. **Meson Style**: The change follows meson formatting conventions (4-space indentation, proper list formatting).

3. **Scope**: This is a build system hardening change. Removing `no_shadow_cflag` means the code in this example must not contain variable shadowing, which is a quality improvement. The presence of an `Acked-by` tag suggests the code has already been verified to compile cleanly without this flag.

4. **Impact**: This change has no runtime impact and only affects compilation warnings. It brings this example in line with stricter coding standards.

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## Conclusion

**APPROVED** - This patch is clean and represents a quality improvement to the build system. No corrections needed.