[lldb] [clang] [clang-tools-extra] Revert "[c++20] P1907R1: Support for generalized non-type template arguments of scalar type." (PR #79302)

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``````````bash
git-clang-format --diff aaa93ce7323332d8290b8f563d4d71689c1094c5 7d1982f62bfc9ec897d8dc8837100c6c2f2de156 -- clang-tools-extra/clangd/DumpAST.cpp clang-tools-extra/clangd/FindTarget.cpp clang/include/clang/AST/ODRHash.h clang/include/clang/AST/RecursiveASTVisitor.h clang/include/clang/AST/TemplateArgumentVisitor.h clang/include/clang/AST/TemplateBase.h clang/include/clang/Sema/Sema.h clang/lib/AST/ASTContext.cpp clang/lib/AST/ASTImporter.cpp clang/lib/AST/ASTStructuralEquivalence.cpp clang/lib/AST/Decl.cpp clang/lib/AST/ItaniumMangle.cpp clang/lib/AST/MicrosoftMangle.cpp clang/lib/AST/ODRHash.cpp clang/lib/AST/StmtProfile.cpp clang/lib/AST/TemplateBase.cpp clang/lib/AST/TypeLoc.cpp clang/lib/CodeGen/CGDebugInfo.cpp clang/lib/CodeGen/CGExpr.cpp clang/lib/Index/USRGeneration.cpp clang/lib/Sema/SemaLookup.cpp clang/lib/Sema/SemaOverload.cpp clang/lib/Sema/SemaTemplate.cpp clang/lib/Sema/SemaTemplateDeduction.cpp clang/lib/Sema/SemaTemplateInstantiate.cpp clang/lib/Sema/SemaTemplateVariadic.cpp clang/lib/Sema/TreeTransform.h clang/lib/Serialization/ASTReader.cpp clang/lib/Serialization/ASTWriter.cpp clang/test/CXX/drs/dr18xx.cpp clang/test/CXX/temp/temp.arg/temp.arg.nontype/p1.cpp clang/test/CodeGenCXX/mangle-ms-templates.cpp clang/test/CodeGenCXX/mangle-template.cpp clang/test/Modules/odr_hash.cpp clang/test/SemaCXX/warn-bool-conversion.cpp clang/test/SemaTemplate/temp_arg_nontype_cxx1z.cpp clang/test/SemaTemplate/temp_arg_nontype_cxx20.cpp clang/tools/libclang/CIndex.cpp clang/tools/libclang/CXCursor.cpp lldb/include/lldb/lldb-enumerations.h lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/include/clang/AST/TemplateBase.h b/clang/include/clang/AST/TemplateBase.h
index b7cd71f17c..d5e348eb50 100644
--- a/clang/include/clang/AST/TemplateBase.h
+++ b/clang/include/clang/AST/TemplateBase.h
@@ -297,7 +297,7 @@ public:
   /// Retrieve the type for a type template argument.
   QualType getAsType() const {
     assert(getKind() == Type && "Unexpected kind");
-    return QualType::getFromOpaquePtr(reinterpret_cast<void*>(TypeOrValue.V));
+    return QualType::getFromOpaquePtr(reinterpret_cast<void *>(TypeOrValue.V));
   }
 
   /// Retrieve the declaration for a declaration non-type
@@ -315,7 +315,7 @@ public:
   /// Retrieve the type for null non-type template argument.
   QualType getNullPtrType() const {
     assert(getKind() == NullPtr && "Unexpected kind");
-    return QualType::getFromOpaquePtr(reinterpret_cast<void*>(TypeOrValue.V));
+    return QualType::getFromOpaquePtr(reinterpret_cast<void *>(TypeOrValue.V));
   }
 
   /// Retrieve the template name for a template name argument.
@@ -541,13 +541,9 @@ public:
   /// - Fetches the full source range of the argument.
   SourceRange getSourceRange() const LLVM_READONLY;
 
-  const TemplateArgument &getArgument() const {
-    return Argument;
-  }
+  const TemplateArgument &getArgument() const { return Argument; }
 
-  TemplateArgumentLocInfo getLocInfo() const {
-    return LocInfo;
-  }
+  TemplateArgumentLocInfo getLocInfo() const { return LocInfo; }
 
   TypeSourceInfo *getTypeSourceInfo() const {
     if (Argument.getKind() != TemplateArgument::Type)
@@ -606,8 +602,7 @@ class TemplateArgumentListInfo {
 public:
   TemplateArgumentListInfo() = default;
 
-  TemplateArgumentListInfo(SourceLocation LAngleLoc,
-                           SourceLocation RAngleLoc)
+  TemplateArgumentListInfo(SourceLocation LAngleLoc, SourceLocation RAngleLoc)
       : LAngleLoc(LAngleLoc), RAngleLoc(RAngleLoc) {}
 
   // This can leak if used in an AST node, use ASTTemplateArgumentListInfo
@@ -626,21 +621,15 @@ public:
     return Arguments.data();
   }
 
-  llvm::ArrayRef<TemplateArgumentLoc> arguments() const {
-    return Arguments;
-  }
+  llvm::ArrayRef<TemplateArgumentLoc> arguments() const { return Arguments; }
 
   const TemplateArgumentLoc &operator[](unsigned I) const {
     return Arguments[I];
   }
 
-  TemplateArgumentLoc &operator[](unsigned I) {
-    return Arguments[I];
-  }
+  TemplateArgumentLoc &operator[](unsigned I) { return Arguments[I]; }
 
-  void addArgument(const TemplateArgumentLoc &Loc) {
-    Arguments.push_back(Loc);
-  }
+  void addArgument(const TemplateArgumentLoc &Loc) { Arguments.push_back(Loc); }
 };
 
 /// Represents an explicit template argument list in C++, e.g.,
diff --git a/clang/lib/AST/ODRHash.cpp b/clang/lib/AST/ODRHash.cpp
index c5aa91a81d..2ed26754db 100644
--- a/clang/lib/AST/ODRHash.cpp
+++ b/clang/lib/AST/ODRHash.cpp
@@ -1293,6 +1293,4 @@ void ODRHash::AddQualType(QualType T) {
   AddType(split.Ty);
 }
 
-void ODRHash::AddBoolean(bool Value) {
-  Bools.push_back(Value);
-}
+void ODRHash::AddBoolean(bool Value) { Bools.push_back(Value); }
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp
index 839d508b91..9a63bfcb7f 100644
--- a/clang/lib/Sema/SemaTemplate.cpp
+++ b/clang/lib/Sema/SemaTemplate.cpp
@@ -7439,7 +7439,7 @@ ExprResult Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
         return ExprError();
       }
 
-      auto *VD = const_cast<ValueDecl*>(Value.getMemberPointerDecl());
+      auto *VD = const_cast<ValueDecl *>(Value.getMemberPointerDecl());
       SugaredConverted = VD ? TemplateArgument(VD, ParamType)
                             : TemplateArgument(ParamType, /*isNullPtr=*/true);
       CanonicalConverted =
@@ -8129,8 +8129,8 @@ Sema::BuildExpressionFromIntegralTemplateArgument(const TemplateArgument &Arg,
     else
       Kind = CharacterLiteralKind::Ascii;
 
-    E = new (Context) CharacterLiteral(Arg.getAsIntegral().getZExtValue(),
-                                       Kind, T, Loc);
+    E = new (Context)
+        CharacterLiteral(Arg.getAsIntegral().getZExtValue(), Kind, T, Loc);
   } else if (T->isBooleanType()) {
     E = CXXBoolLiteralExpr::Create(Context, Arg.getAsIntegral().getBoolValue(),
                                    T, Loc);

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https://github.com/llvm/llvm-project/pull/79302