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from 54b8029400 clang-format: Add new style option AlignConsecutiveMacros new 159cd770e3 [C++2a] Add __builtin_bit_cast, used to implement std::bit_cast

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Summary of changes: include/clang-c/Index.h | 6 +- include/clang/AST/ExprCXX.h | 29 ++ include/clang/AST/OperationKinds.def | 4 + include/clang/AST/RecursiveASTVisitor.h | 4 + include/clang/Basic/DiagnosticASTKinds.td | 13 + include/clang/Basic/DiagnosticSemaKinds.td | 4 + include/clang/Basic/StmtNodes.td | 1 + include/clang/Basic/TokenKinds.def | 2 +- include/clang/Parse/Parser.h | 3 + include/clang/Sema/Sema.h | 7 + lib/AST/Expr.cpp | 4 +- lib/AST/ExprClassification.cpp | 1 + lib/AST/ExprConstant.cpp | 511 ++++++++++++++++++++++++++- lib/AST/ItaniumMangle.cpp | 1 + lib/AST/StmtPrinter.cpp | 8 + lib/AST/StmtProfile.cpp | 5 + lib/CodeGen/CGExpr.cpp | 1 + lib/CodeGen/CGExprAgg.cpp | 19 + lib/CodeGen/CGExprComplex.cpp | 9 + lib/CodeGen/CGExprConstant.cpp | 1 + lib/CodeGen/CGExprScalar.cpp | 9 + lib/Edit/RewriteObjCFoundationAPI.cpp | 1 + lib/Lex/PPMacroExpansion.cpp | 1 + lib/Parse/ParseExpr.cpp | 3 + lib/Parse/ParseExprCXX.cpp | 34 ++ lib/Sema/SemaCast.cpp | 70 ++++ lib/Sema/SemaExceptionSpec.cpp | 1 + lib/Sema/TreeTransform.h | 26 ++ lib/Serialization/ASTReaderStmt.cpp | 6 + lib/Serialization/ASTWriterStmt.cpp | 6 + lib/StaticAnalyzer/Core/ExprEngine.cpp | 1 + lib/StaticAnalyzer/Core/ExprEngineC.cpp | 1 + test/CodeGenCXX/builtin-bit-cast-no-tbaa.cpp | 19 + test/CodeGenCXX/builtin-bit-cast.cpp | 106 ++++++ test/SemaCXX/builtin-bit-cast.cpp | 39 ++ test/SemaCXX/constexpr-builtin-bit-cast.cpp | 383 ++++++++++++++++++++ tools/libclang/CIndex.cpp | 2 + tools/libclang/CXCursor.cpp | 2 + 38 files changed, 1334 insertions(+), 9 deletions(-) create mode 100644 test/CodeGenCXX/builtin-bit-cast-no-tbaa.cpp create mode 100644 test/CodeGenCXX/builtin-bit-cast.cpp create mode 100644 test/SemaCXX/builtin-bit-cast.cpp create mode 100644 test/SemaCXX/constexpr-builtin-bit-cast.cpp