[libcxx-commits] [libcxx] [libc++] Fix SPEC benchmarks not producing a .lnt result file (PR #207450)

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``````````bash
darker --check --diff -r origin/main...HEAD libcxx/test/benchmarks/spec.gen.py
``````````

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``````````diff
--- spec.gen.py	2026-07-03 19:25:02.000000 +0000
+++ spec.gen.py	2026-07-03 19:29:27.585492 +0000
@@ -31,7 +31,9 @@
 with open(spec_dir / 'benchspec' / 'CPU' / 'no_fortran.bset', 'r') as f:
     no_fortran.update(json.load(f)['benchmarks'])
 spec_benchmarks &= no_fortran
 
 for benchmark in spec_benchmarks:
-    print(f'#--- {benchmark}.sh.test')
-    print(f'RUN: %{{python}} %{{libcxx-dir}}/utils/run-spec-benchmark --spec-dir %{{spec_dir}} --temp-dir %{{temp}} --benchmark {benchmark} --output %{{temp}}/results.lnt --clean -- %{{cxx}} %{{compile_flags}} %{{flags}} %{{link_flags}}')
+    print(f"#--- {benchmark}.sh.test")
+    print(
+        f"RUN: %{{python}} %{{libcxx-dir}}/utils/run-spec-benchmark --spec-dir %{{spec_dir}} --temp-dir %{{temp}} --benchmark {benchmark} --output %{{temp}}/results.lnt --clean -- %{{cxx}} %{{compile_flags}} %{{flags}} %{{link_flags}}"
+    )

``````````

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https://github.com/llvm/llvm-project/pull/207450