cl compileFuncOrMethod: skip template method

[xushiwei]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 92.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.12%. Comparing base (3ebcaa5) to head (48caf47).
⚠️ Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
cl/class.go	66.66%	1 Missing ⚠️
cl/vtable.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #871      +/-   ##
==========================================
+ Coverage   82.09%   85.12%   +3.03%     
==========================================
  Files          22       22              
  Lines        1798     1802       +4     
==========================================
+ Hits         1476     1534      +58     
+ Misses        322      268      -54     

Flag	Coverage Δ
llgo-tests	85.12% <92.00%> (+3.03%)	⬆️

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[fennoai]

Review: switch func-object map key from mangling name to USR

The refactor is clean and internally consistent. Every access to the renamed ctx.fns map (addFunc, loadOutsideMethod, vtableMethodName) now keys on funcUSR(...), no references to the removed funcObj.manglingName remain, and the struct comment was updated to fnUSR => func object. Two positive changes worth noting: avoidKeyword is now a pure return-a-string function (no pointer mutation), and moving clang.Mangling into compileFuncOrMethod means mangling is computed once per func instead of twice.

The empty-string guard added only to clang/mangling_withprefix.go (darwin) is correct — the linux variant in clang/mangling_normal.go does not slice [1:], so it cannot panic on an empty name; both now return "" consistently.

Findings below are non-blocking robustness/coverage observations.