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

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- clang/include/clang/AST/APValue.h clang/include/clang/Serialization/ASTRecordReader.h clang/include/clang/Serialization/ASTRecordWriter.h clang/lib/AST/ByteCode/Descriptor.cpp clang/lib/AST/ByteCode/Descriptor.h clang/lib/AST/ByteCode/Interp.cpp clang/lib/AST/ByteCode/Interp.h clang/lib/AST/ByteCode/InterpBlock.h clang/lib/AST/ByteCode/InterpBuiltin.cpp clang/lib/AST/ByteCode/Pointer.cpp clang/lib/AST/ExprConstShared.h clang/lib/AST/ExprConstant.cpp clang/lib/Sema/SemaExprCXX.cpp clang/test/AST/ByteCode/new-delete.cpp clang/test/SemaCXX/builtin-assume-aligned.cpp clang/test/SemaCXX/constant-expression-cxx2a.cpp --diff_from_common_commit
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``````````diff
diff --git a/clang/lib/AST/ByteCode/Descriptor.h b/clang/lib/AST/ByteCode/Descriptor.h
index c5b750a45..6011d54f1 100644
--- a/clang/lib/AST/ByteCode/Descriptor.h
+++ b/clang/lib/AST/ByteCode/Descriptor.h
@@ -13,8 +13,8 @@
 #ifndef LLVM_CLANG_AST_INTERP_DESCRIPTOR_H
 #define LLVM_CLANG_AST_INTERP_DESCRIPTOR_H
 
-#include "DeclOrExpr.h"
 #include "../ExprConstShared.h"
+#include "DeclOrExpr.h"
 #include "InitMap.h"
 #include "PrimType.h"
 #include "clang/AST/Decl.h"

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