for (const auto& edge : back_edge_helper_.RemovedEdges()) {
    if (back_edge_node_output_.find(edge.src) != back_edge_node_output_.end() &&
        back_edge_node_output_[edge.src] != edge.src_output) {
      return errors::FailedPrecondition(
          "More than one of the src node outputs are backedges!");
    }
    back_edge_node_output_[edge.src] = edge.src_output;
    // We expect a merge to receive a single backedge (multiple NextIteration

type writerOnly struct {
	io.Writer
}

// ReadFrom is here to optimize copying from an [*os.File] regular file
// to a [*net.TCPConn] with sendfile, or from a supported src type such
// as a *net.TCPConn on Linux with splice.
func (w *response) ReadFrom(src io.Reader) (n int64, err error) {
	buf := getCopyBuf()
	defer putCopyBuf(buf)

	// Our underlying w.conn.rwc is usually a *TCPConn (with its

// Studenten Net Twente : http://www.snt.utwente.nl/
// Submitted by Silke Hofstra <******@****.***>
utwente.io

// Student-Run Computing Facility : https://www.srcf.net/
// Submitted by Edwin Balani <sysadmins@srcf.net>
soc.srcf.net
user.srcf.net

// Sub 6 Limited: http://www.sub6.com
// Submitted by Dan Miller <******@****.***>
temp-dns.com

// Supabase : https://supabase.io

// ----------------------------------------------------------------------------
// func chacha20Poly1305Open(dst, key, src, ad []byte) bool
TEXT ·chacha20Poly1305Open(SB), 0, $288-97
	// For aligned stack access
	MOVQ SP, BP
	ADDQ $32, BP
	ANDQ $-32, BP
	MOVQ dst+0(FP), oup
	MOVQ key+24(FP), keyp
	MOVQ src+48(FP), inp
	MOVQ src_len+56(FP), inl
	MOVQ ad+72(FP), adp

	// Check for AVX2 support
	CMPB ·useAVX2(SB), $1

	case 101: // VRX LOAD
		op, m3, _ := vop(p.As)
		src := &p.From
		if p.GetFrom3() != nil {
			m3 = uint32(c.vregoff(&p.From))
			src = p.GetFrom3()
		}
		b2 := src.Reg
		if b2 == 0 {
			b2 = REGSP
		}
		d2 := uint32(c.vregoff(src))
		zVRX(op, uint32(p.To.Reg), uint32(src.Index), uint32(b2), d2, m3, asm)

	case 102: // VRV SCATTER
		op, _, _ := vop(p.As)

template <class T>
constexpr void Unset(T &val, unsigned index) {
  val &= ~(1 << index);
}

// Copy the `src_index` bit of `src` to `dst_index` bit of `dst`.
template <class T>
constexpr void CopyBit(const T &src, unsigned src_index, T &dst,
                       unsigned dst_index) {
  if (IsSet(src, src_index))
    Set(dst, dst_index);
  else
    Unset(dst, dst_index);
}

	srcOpts, err = copySrcOpts(ctx, r, srcBucket, srcObject)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	srcOpts.VersionID = vid

	// convert copy src encryption options for GET calls
	getOpts := ObjectOptions{
		VersionID:          srcOpts.VersionID,
		Versioned:          srcOpts.Versioned,
		VersionSuspended:   srcOpts.VersionSuspended,

	syscall.Syscall(procExitProcess.Addr(), 1, uintptr(exitcode), 0, 0)
	return
}

func ExpandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) {
	r0, _, e1 := syscall.Syscall(procExpandEnvironmentStringsW.Addr(), 3, uintptr(unsafe.Pointer(src)), uintptr(unsafe.Pointer(dst)), uintptr(size))
	n = uint32(r0)
	if n == 0 {
		err = errnoErr(e1)
	}
	return
}

// cmd/7l/asm.c, cmd/7l/asmout.c, cmd/7l/optab.c, cmd/7l/span.c, cmd/ld/sub.c, cmd/ld/mod.c, from Vita Nuova.
// https://bitbucket.org/plan9-from-bell-labs/9-cc/src/master/
//
// 	Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// 	Portions Copyright © 1995-1997 C H Forsyth (******@****.***)
// 	Portions Copyright © 1997-1999 Vita Nuova Limited
// 	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)

                       IRMapping&) const final {
    // No TFLite op restricts inlining today, revise as needed in the future.
    return true;
  }
  bool isLegalToInline(Region* dest, Region* src, bool wouldBeCloned,
                       IRMapping& valueMapping) const final {
    return isa<WhileOp>(dest->getParentOp());
  }
};

struct TensorFlowLiteDialectFoldInterface : public DialectFoldInterface {