[clang] [clang] Implement constexpr heap allocation alignments (PR #174549)

[Nikolas Klauser via cfe-commits]

================
@@ -1855,13 +1858,99 @@ APValue &CallStackFrame::createLocal(APValue::LValueBase Base, const void *Key,
   return Result;
 }
 
+uint64_t GetAlignOfDynamicAlloc(const ASTContext &Ctx, QualType AllocType,
----------------
philnik777 wrote:

I'm not quite sure what you'd like to be shared?

https://github.com/llvm/llvm-project/pull/174549