[clang] [clang] Implement __builtin_stdc_rotate_left, __builtin_stdc_rotate_right (PR #160259)

[Eli Friedman via cfe-commits]

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@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
 
+#include<stdint.h>
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efriedma-quic wrote:

I think you need to specify `-ffreestanding` to make `#include<stdint.h>` portable.

https://github.com/llvm/llvm-project/pull/160259