mod: github.com/llarhub/clang-c v0.7.0; verify xgo-dev/llgo#2677

[xushiwei]

• link directive bug: can't use alias type as recv, callback as method param xgo-dev/llgo#2677

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.04%. Comparing base (37ad384) to head (ea24b24).
⚠️ Report is 26 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #881   +/-   ##
=======================================
  Coverage   88.04%   88.04%           
=======================================
  Files          22       22           
  Lines        1857     1857           
=======================================
  Hits         1635     1635           
  Misses        222      222           

Flag	Coverage Δ
llgo-tests	88.04% <ø> (ø)

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[fennoai]

Review: bump clang-c to v0.7.0 + VisitChildren method-call refactor

This is a small, well-scoped dependency bump plus a mechanical refactor. The change is correct and low-risk. Verified locally: go build ./clang/... passes against v0.7.0.

What was verified

• Refactor correctness (clang/clang.go:299-304): clang.VisitChildren(root, ...) → root.VisitChildren(...) resolves to the same underlying clang_visitChildren traversal. The closure signature func(cur, parent Cursor, param clang.ClientData) ChildVisitResult matches v0.7.0's CursorVisitor, and the exported wrapper signature is unchanged.
• Blast radius: all call sites use the package-level clang.VisitChildren(...) wrapper (in cl/*.go, tool/dump.go), whose public API is untouched — no caller changes needed, and none were made.
• Supply chain (go.sum): both v0.7.0 hashes verify against the public checksum DB; go.mod/go.sum are consistent.
• Docs: the VisitChildren doc comment remains accurate; no update required.

Non-blocking note before merge

• v0.7.0 also bundles an unrelated behavioral change — enum default switching from c.Int to c.Uint. This could subtly alter enum sign handling in generated bindings. Worth confirming downstream enum-generation tests still pass before merging. v0.7.0 was tagged the same day as this bump, so a quick CI-green confirmation on the new tag is prudent.

No blocking issues found.