[clang] [Clang][AST] {CXXDefaultArgExpr, CXXDefaultInitExpr}::hasRewrittenInit return true iif the init expression was really rebuild (PR #99748)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff 9d86722eeecbb1dd6a53c10f7c44fdc317de6809 a79b9bbfcb666d7e841eda65a771970a811631a4 --extensions cpp,h -- clang/include/clang/AST/ExprCXX.h clang/lib/AST/ASTImporter.cpp clang/lib/AST/ExprCXX.cpp clang/lib/AST/JSONNodeDumper.cpp clang/lib/Sema/SemaExpr.cpp clang/lib/Sema/TreeTransform.h clang/test/AST/ast-dump-default-init-json.cpp clang/test/AST/ast-dump-default-init.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/AST/ExprCXX.cpp b/clang/lib/AST/ExprCXX.cpp
index f8f1ccbbb7..bbbca3a40a 100644
--- a/clang/lib/AST/ExprCXX.cpp
+++ b/clang/lib/AST/ExprCXX.cpp
@@ -1013,12 +1013,10 @@ CXXDefaultArgExpr *CXXDefaultArgExpr::CreateEmpty(const ASTContext &C,
   return new (Mem) CXXDefaultArgExpr(EmptyShell(), HasRewrittenInit);
 }
 
-CXXDefaultArgExpr *CXXDefaultArgExpr::Create(const ASTContext &C,
-                                             SourceLocation Loc,
-                                             ParmVarDecl *Param,
-                                             DeclContext *UsedContext,
-                                             Expr *RewrittenExpr,
-                                             bool HasRewrittenInit) {
+CXXDefaultArgExpr *
+CXXDefaultArgExpr::Create(const ASTContext &C, SourceLocation Loc,
+                          ParmVarDecl *Param, DeclContext *UsedContext,
+                          Expr *RewrittenExpr, bool HasRewrittenInit) {
   size_t Size = totalSizeToAlloc<Expr *>(RewrittenExpr != nullptr);
   auto *Mem = C.Allocate(Size, alignof(CXXDefaultArgExpr));
   return new (Mem)
@@ -1044,8 +1042,7 @@ Expr *CXXDefaultArgExpr::getAdjustedRewrittenExpr() {
 CXXDefaultInitExpr::CXXDefaultInitExpr(const ASTContext &Ctx,
                                        SourceLocation Loc, FieldDecl *Field,
                                        QualType Ty, DeclContext *UsedContext,
-                                       Expr *InitExpr,
-                                       bool HasRewrittenInit)
+                                       Expr *InitExpr, bool HasRewrittenInit)
     : Expr(CXXDefaultInitExprClass, Ty.getNonLValueExprType(Ctx),
            Ty->isLValueReferenceType()   ? VK_LValue
            : Ty->isRValueReferenceType() ? VK_XValue
@@ -1070,12 +1067,10 @@ CXXDefaultInitExpr *CXXDefaultInitExpr::CreateEmpty(const ASTContext &C,
   return new (Mem) CXXDefaultInitExpr(EmptyShell(), HasRewrittenInit);
 }
 
-CXXDefaultInitExpr *CXXDefaultInitExpr::Create(const ASTContext &Ctx,
-                                               SourceLocation Loc,
-                                               FieldDecl *Field,
-                                               DeclContext *UsedContext,
-                                               Expr *InitExpr,
-                                               bool HasRewrittenInit) {
+CXXDefaultInitExpr *
+CXXDefaultInitExpr::Create(const ASTContext &Ctx, SourceLocation Loc,
+                           FieldDecl *Field, DeclContext *UsedContext,
+                           Expr *InitExpr, bool HasRewrittenInit) {
 
   size_t Size = totalSizeToAlloc<Expr *>(InitExpr != nullptr);
   auto *Mem = Ctx.Allocate(Size, alignof(CXXDefaultInitExpr));

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https://github.com/llvm/llvm-project/pull/99748