[all-commits] [llvm/llvm-project] af2a0e: [compiler-rt][cmake] filter libc-backed builtins s...

[hulxv via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: af2a0e9c8897060b4442e7d096459aad922f37d6
      https://github.com/llvm/llvm-project/commit/af2a0e9c8897060b4442e7d096459aad922f37d6
  Author: hulxv <hulxxv at gmail.com>
  Date:   2026-08-05 (Wed, 05 Aug 2026)

  Changed paths:
    M compiler-rt/cmake/Modules/CompilerRTUtils.cmake

  Log Message:
  -----------
  [compiler-rt][cmake] filter libc-backed builtins superseded by assembly (#213481)

apply
https://github.com/llvm/llvm-project/pull/209900#discussion_r3615454574

fix the duplication that causes issues like this:
```
 lit-23: /__w/llvm-project/llvm-project/compiler-rt/test/builtins/Unit/lit.cfg.py:186: fatal: builtins_source_features contains duplicates: ['librt_has_floatdidf', 'librt_has_floatdisf', 'librt_has_floatundidf', 'librt_has_floatundisf']
FAILED: compiler-rt/test/builtins/CMakeFiles/check-builtins /__w/llvm-project/llvm-project/build/compiler-rt/test/builtins/CMakeFiles/check-builtins 
cd /__w/llvm-project/llvm-project/build/compiler-rt/test/builtins && /usr/bin/python3 /usr/bin/lit-23 -sv --show-xfail --show-unsupported /__w/llvm-project/llvm-project/build/compiler-rt/test/builtins/TestCases /__w/llvm-project/llvm-project/build/compiler-rt/test/builtins/Unit/X86_64LinuxConfig
ninja: build stopped: subcommand failed.
```

Part of #197824



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