* is always detected before reusing an edge, so no special logic is required. In the undirected
   * case, we must take care not to "backtrack" over an edge (i.e. going from A to B and then going
   * from B to A).
   */
  private static boolean canTraverseWithoutReusingEdge(
      Graph<?> graph, Object nextNode, @CheckForNull Object previousNode) {

						scopes.Framework.Warnf("Unable to write envoy err log for VM cluster/pod/container: %s/%s/%s/%s: %v",
							c.Name(), pod.Namespace, pod.Name, container.Name, err)
					}
					if strings.Contains(stdout, "envoy backtrace") {
						scopes.Framework.Errorf("FAIL: VM envoy crashed in cluster/pod/container: %s/%s/%s/%s. See log: %s",
							c.Name(), pod.Namespace, pod.Name, container.Name, prow.ArtifactsURL(fname))

type Name struct {
	Bytes *byte
}

// DataChecked does pointer arithmetic on n's Bytes, and that arithmetic is asserted to
// be safe for the reason in whySafe (which can appear in a backtrace, etc.)
func (n Name) DataChecked(off int, whySafe string) *byte {
	return (*byte)(addChecked(unsafe.Pointer(n.Bytes), uintptr(off), whySafe))
}

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"internal/goexperiment"
	"runtime/internal/sys"
	"unsafe"
)

// Addresses collected in a cgo backtrace when crashing.
// Length must match arg.Max in x_cgo_callers in runtime/cgo/gcc_traceback.c.
type cgoCallers [32]uintptr

// argset matches runtime/cgo/linux_syscall.c:argset_t
type argset struct {

// in the caller's stack frame. These stubs write the args into that stack space and
// then tail call to the corresponding runtime handler.
// The tail call makes these stubs disappear in backtraces.
TEXT runtime·panicIndex(SB),NOSPLIT,$0-16
	MOVD	R0, x+0(FP)
	MOVD	R1, y+8(FP)
	JMP	runtime·goPanicIndex(SB)
TEXT runtime·panicIndexU(SB),NOSPLIT,$0-16
	MOVD	R0, x+0(FP)
	MOVD	R1, y+8(FP)

// in the caller's stack frame. These stubs write the args into that stack space and
// then tail call to the corresponding runtime handler.
// The tail call makes these stubs disappear in backtraces.
TEXT runtime·panicIndex<ABIInternal>(SB),NOSPLIT,$0-16
	MOVV	R20, R4
	MOVV	R21, R5
	JMP	runtime·goPanicIndex<ABIInternal>(SB)
TEXT runtime·panicIndexU<ABIInternal>(SB),NOSPLIT,$0-16
	MOVV	R20, R4

// in the caller's stack frame. These stubs write the args into that stack space and
// then tail call to the corresponding runtime handler.
// The tail call makes these stubs disappear in backtraces.
TEXT runtime·panicIndex(SB),NOSPLIT,$0-8
	MOVW	R1, x+0(FP)
	MOVW	R2, y+4(FP)
	JMP	runtime·goPanicIndex(SB)
TEXT runtime·panicIndexU(SB),NOSPLIT,$0-8
	MOVW	R1, x+0(FP)
	MOVW	R2, y+4(FP)

	// EventLabel attaches a label to a resource.
	EventLabel

	// EventStackSample represents an execution sample, indicating what a
	// thread/proc/goroutine was doing at a particular point in time via
	// its backtrace.
	//
	// Note: Samples should be considered a close approximation of
	// what a thread/proc/goroutine was executing at a given point in time.
	// These events may slightly contradict the situation StateTransitions

// in the caller's stack frame. These stubs write the args into that stack space and
// then tail call to the corresponding runtime handler.
// The tail call makes these stubs disappear in backtraces.
TEXT runtime·panicIndex(SB),NOSPLIT,$0-8
	MOVW	R0, x+0(FP)
	MOVW	R1, y+4(FP)
	JMP	runtime·goPanicIndex(SB)
TEXT runtime·panicIndexU(SB),NOSPLIT,$0-8
	MOVW	R0, x+0(FP)
	MOVW	R1, y+4(FP)

			printpanics(msgs)
		}

		docrash = dopanic_m(gp, pc, sp)
	})

	if docrash {
		// By crashing outside the above systemstack call, debuggers
		// will not be confused when generating a backtrace.
		// Function crash is marked nosplit to avoid stack growth.
		crash()
	}

	systemstack(func() {
		exit(2)
	})

	*(*int)(nil) = 0 // not reached
}