// Fields

  /**
   * Mask value for indexing into segments. The upper bits of a key's hash code are used to choose
   * the segment.
   */
  final transient int segmentMask;

  /**
   * Shift value for indexing within segments. Helps prevent entries that end up in the same segment
   * from also ending up in the same bucket.
   */
  final transient int segmentShift;

				otxt := p.To.Target().Pc - pc

				// On loong64, the immediate value field of the conditional branch instructions
				// BFPT and BFPT is 21 bits, and the others are 16 bits. The jump target address
				// is to logically shift the immediate value in the instruction code to the left
				// by 2 bits and then sign extend.
				bound := int64(1 << (18 - 1))

				switch p.As {
				case ABFPT, ABFPF:
					bound = int64(1 << (23 - 1))
				}

	// "-composites",
	// "-copylocks",
	"-directive",
	"-errorsas",
	// "-httpresponse",
	"-ifaceassert",
	// "-lostcancel",
	// "-methods",
	"-nilfunc",
	"-printf",
	// "-rangeloops",
	// "-shift",
	"-slog",
	"-stringintconv",
	// "-structtags",
	// "-tests",
	// "-unreachable",
	// "-unsafeptr",
	// "-unusedresult",
}

func runTest(ctx context.Context, cmd *base.Command, args []string) {

	// style of the LLVM demangler. This does not affect
	// the parsing of the AST, only the conversion of the AST
	// to a string.
	LLVMStyle
)

// maxLengthShift is how we shift the MaxLength value.
const maxLengthShift = 16

// maxLengthMask is a mask for the maxLength value.
const maxLengthMask = 0x1f << maxLengthShift

// MaxLength returns an Option that limits the maximum length of a