glandium added a comment.
Repro:
$ echo '#include "cpuid.h"' | ./clang/bin/clang-cl -Tp -
clang-cl: warning: unable to find a Visual Studio installation; try running
Clang from a developer command prompt [-Wmsvc-not-found]
In file included from <stdin>:1:
/tmp/ct/clang/lib/clang/17/include/cpuid.h(331,22): error: definition of
builtin function '__cpuidex'
static __inline void __cpuidex (int __cpu_info[4], int __leaf, int __subleaf)
^
1 error generated.
(interestingly doesn't happen in C mode (with `-Tc` instead of `-Tp`))
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D150646/new/
https://reviews.llvm.org/D150646
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