[compiler-rt] [NFC] [scudo] Move static_assert to class it concerns (PR #84245)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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

Author: Florian Mayer (fmayer)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/84245.diff


1 Files Affected:

- (modified) compiler-rt/lib/scudo/standalone/combined.h (+5-4) 


``````````diff
diff --git a/compiler-rt/lib/scudo/standalone/combined.h b/compiler-rt/lib/scudo/standalone/combined.h
index fa6077384d9826..5b25a7a6c2a916 100644
--- a/compiler-rt/lib/scudo/standalone/combined.h
+++ b/compiler-rt/lib/scudo/standalone/combined.h
@@ -1081,6 +1081,11 @@ class Allocator {
     // An array of Size (at least one) elements of type Entry is immediately
     // following to this struct.
   };
+  static_assert(sizeof(AllocationRingBuffer) %
+                        alignof(typename AllocationRingBuffer::Entry) ==
+                    0,
+                "invalid alignment");
+
   // Pointer to memory mapped area starting with AllocationRingBuffer struct,
   // and immediately followed by Size elements of type Entry.
   atomic_uptr RingBufferAddress = {};
@@ -1596,10 +1601,6 @@ class Allocator {
 
     atomic_store(&RingBufferAddress, reinterpret_cast<uptr>(RB),
                  memory_order_release);
-    static_assert(sizeof(AllocationRingBuffer) %
-                          alignof(typename AllocationRingBuffer::Entry) ==
-                      0,
-                  "invalid alignment");
   }
 
   void unmapRingBuffer() {

``````````

</details>


https://github.com/llvm/llvm-project/pull/84245