[NFC] turn comment into static_assert

[fmayer]

No description provided.

[llvmbot]

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Florian Mayer (fmayer)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/71504.diff

1 Files Affected:

• (modified) compiler-rt/lib/sanitizer_common/sanitizer_ring_buffer.h (+3-1)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_ring_buffer.h b/compiler-rt/lib/sanitizer_common/sanitizer_ring_buffer.h
index f22e40cac284095..6222a958b116826 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_ring_buffer.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_ring_buffer.h
@@ -47,7 +47,9 @@ class RingBuffer {
   void push(T t) {
     *next_ = t;
     next_--;
-    // The condition below works only if sizeof(T) is divisible by sizeof(T*).
+    static_assert((sizeof(T) % sizeof(T *)) == 0,
+                  "The condition below works only if sizeof(T) is divisible by "
+                  "sizeof(T*).");
     if (next_ <= reinterpret_cast<T*>(&next_))
       next_ = last_;
   }