// https://github.com/dalek-cryptography/curve25519-dalek/blob/f630041af28e9a405255f98a8a93adca18e4315b/src/scalar.rs#L800-L871
	b := s.Bytes()
	if b[31] > 127 {
		panic("scalar has high bit set illegally")
	}
	if w < 2 {
		panic("w must be at least 2 by the definition of NAF")
	} else if w > 8 {
		panic("NAF digits must fit in int8")
	}

	var naf [256]int8
	var digits [5]uint64

	}

	if illegalClientHelloChange(clientHello, hs.clientHello) {
		c.sendAlert(alertIllegalParameter)
		return nil, errors.New("tls: client illegally modified second ClientHello")
	}

	c.didHRR = true
	hs.clientHello = clientHello
	return ks, nil
}

// illegalClientHelloChange reports whether the two ClientHello messages are

	MOVHU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVWU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVF	F0, F1, F2			// ERROR "illegal MOV instruction"
	MOVD	F0, F1, F2			// ERROR "illegal MOV instruction"
	MOV	X10, X11, X12			// ERROR "illegal MOV instruction"
	MOVW	X10, X11, X12			// ERROR "illegal MOV instruction"
	RORI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	SLLI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"

  ExpectErrorContains(ValidateCppIdent(" ", ""), "illegal leading char");
  ExpectErrorContains(ValidateCppIdent("0", ""), "illegal leading char");
  ExpectErrorContains(ValidateCppIdent(".", ""), "illegal leading char");
  ExpectErrorContains(ValidateCppIdent(":", ""), "illegal leading char");
  ExpectErrorContains(ValidateCppIdent("a.", ""), "illegal char");
  ExpectErrorContains(ValidateCppIdent("a:", ""), "illegal char");

ECL0017=Exception occurred, because {0}
ECL0041={0}''s creation failure, because {1}
ECL0040=IOException occurred, because {0}
ECL0042=An illegal access was generated by {0}, because {1}
ECL0043=The target which {0} invoked is illegal, because {1}
ECL0044=Class not found, details are {0}
ECL0048=The constructor of {0} for arguments({1}) not found
ECL0049=The method({1}) of {0} not found
ECL0050=Can not parse, because {0}

    "Counts the number of ops that has qint types" /*metric description*/,
    "op_name" /*metric label*/);

// Returns wether a type is illegal. Here we consider TF qint types illegal.
// See pass description in passes.td for more info about how illegal types are
// treated in this pass.
bool IsIllegalType(Type type) {
  return IsTFQintType(getElementTypeOrSelf(type));
}

        llvm::any_of(op->getResultTypes(), IsQuantType) ||
        IsTFUniformQuantizedOp(op) || IsMhloUniformQuantizedOp(*op)) {
      op->emitOpError("is illegal as it is a UQ op or contains uq/qint types");
      LOG(ERROR) << "Found illegal op containing uq/qint type: "
                 << op->getName().getStringRef().str();
      return WalkResult::interrupt();
    }
    return WalkResult::advance();
  });

        'statement before plugin management' | 'rootProject.name = "foo"\npluginManagement { }' | "1:1: illegal content before 'pluginManagement', which can only appear as the first element in the file"
        'plugins before plugin management'   | 'plugins { }\npluginManagement { }'              | "1:1: illegal content before 'pluginManagement', which can only appear as the first element in the file"

		} else if c := s[i+3]; c < locb || hicb < c {
			return false
		}
		i += size
	}
	return true
}

// ValidRune reports whether r can be legally encoded as UTF-8.
// Code points that are out of range or a surrogate half are illegal.
func ValidRune(r rune) bool {
	switch {
	case 0 <= r && r < surrogateMin:
		return true
	case surrogateMax < r && r <= MaxRune:
		return true
	}
	return false

        DocumentCheckFailureReason.PluginManagementBlockOrderViolated -> "illegal content before 'pluginManagement', which can only appear as the first element in the file"
        DocumentCheckFailureReason.PluginsBlockOrderViolated -> "illegal content before 'plugins', which can only be preceded by 'pluginManagement'"